content/shell/renderer/test_runner/WebTestProxy.cpp

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This source file includes following definitions.
m_callback
runIfValid
m_callback
runIfValid
printFrameDescription
printFrameUserGestureStatus
descriptionSuitableForTestResult
printResponseDescription
URLDescription
PriorityDescription
blockRequest
isLocalhost
hostIsUsedBySomeTestsToGenerateError
urlSuitableForTestResult
webNavigationTypeToString
dumpDocumentText
dumpFramesAsText
dumpFramesAsPrintedText
dumpFrameScrollPosition
HistoryItemCompareLess
dumpHistoryItem
dumpBackForwardList
dumpAllBackForwardLists
m_chooserCount
setInterfaces
setDelegate
setWidget
webWidget
webView
didForceResize
reset
spellCheckClient
createColorChooser
createColorChooser
runFileChooser
showValidationMessage
hideValidationMessage
moveValidationMessage
captureTree
capturePixels
setLogConsoleOutput
paintRect
paintInvalidatedRegion
paintPagesWithBoundaries
canvas
display
displayAsyncThen
discardBackingStore
midiClientMock
speechInputControllerMock
speechRecognizerMock
didInvalidateRect
didScrollRect
invalidateAll
scheduleComposite
scheduleAnimation
animateNow
isCompositorFramePending
show
setWindowRect
didAutoResize
postAccessibilityEvent
startDragging
didChangeSelection
didChangeContents
createView
createPlugin
setStatusText
didStopLoading
showContextMenu
userMediaClient
printPage
notificationPresenter
webMIDIClient
speechInputController
speechRecognizer
requestPointerLock
requestPointerUnlock
isPointerLocked
didFocus
didBlur
setToolTipText
didOpenChooser
didCloseChooser
isChooserShown
didStartProvisionalLoad
didReceiveServerRedirectForProvisionalLoad
didFailProvisionalLoad
didCommitProvisionalLoad
didReceiveTitle
didChangeIcon
didFinishDocumentLoad
didHandleOnloadEvents
didFailLoad
didFinishLoad
didDetectXSS
didDispatchPingLoader
willRequestResource
willSendRequest
didReceiveResponse
didChangeResourcePriority
didFinishResourceLoad
didAddMessageToConsole
runModalAlertDialog
runModalConfirmDialog
runModalPromptDialog
runModalBeforeUnloadDialog
locationChangeDone
decidePolicyForNavigation
willCheckAndDispatchMessageEvent
postSpellCheckEvent
resetInputMethod
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/shell/renderer/test_runner/WebTestProxy.h"

#include <cctype>

#include "base/logging.h"
#include "content/shell/renderer/test_runner/event_sender.h"
#include "content/shell/renderer/test_runner/MockColorChooser.h"
#include "content/shell/renderer/test_runner/MockWebSpeechInputController.h"
#include "content/shell/renderer/test_runner/MockWebSpeechRecognizer.h"
#include "content/shell/renderer/test_runner/SpellCheckClient.h"
#include "content/shell/renderer/test_runner/TestCommon.h"
#include "content/shell/renderer/test_runner/TestInterfaces.h"
#include "content/shell/renderer/test_runner/TestPlugin.h"
#include "content/shell/renderer/test_runner/WebTestDelegate.h"
#include "content/shell/renderer/test_runner/WebTestInterfaces.h"
#include "content/shell/renderer/test_runner/WebTestRunner.h"
#include "content/shell/renderer/test_runner/WebUserMediaClientMock.h"
#include "content/shell/renderer/test_runner/accessibility_controller.h"
#include "content/shell/renderer/test_runner/test_runner.h"
// FIXME: Including platform_canvas.h here is a layering violation.
#include "skia/ext/platform_canvas.h"
#include "third_party/WebKit/public/platform/WebCString.h"
#include "third_party/WebKit/public/platform/WebURLError.h"
#include "third_party/WebKit/public/platform/WebURLRequest.h"
#include "third_party/WebKit/public/platform/WebURLResponse.h"
#include "third_party/WebKit/public/web/WebAXEnums.h"
#include "third_party/WebKit/public/web/WebAXObject.h"
#include "third_party/WebKit/public/web/WebCachedURLRequest.h"
#include "third_party/WebKit/public/web/WebConsoleMessage.h"
#include "third_party/WebKit/public/web/WebDataSource.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebElement.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebHistoryItem.h"
#include "third_party/WebKit/public/web/WebMIDIClientMock.h"
#include "third_party/WebKit/public/web/WebNode.h"
#include "third_party/WebKit/public/web/WebPluginParams.h"
#include "third_party/WebKit/public/web/WebPrintParams.h"
#include "third_party/WebKit/public/web/WebRange.h"
#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
#include "third_party/WebKit/public/web/WebView.h"

using namespace blink;
using namespace std;

namespace WebTestRunner {

namespace {

class HostMethodTask : public WebMethodTask<WebTestProxyBase> {
public:
    typedef void (WebTestProxyBase::*CallbackMethodType)();
    HostMethodTask(WebTestProxyBase* object, CallbackMethodType callback)
        : WebMethodTask<WebTestProxyBase>(object)
        , m_callback(callback)
    { }

    virtual void runIfValid() OVERRIDE { (m_object->*m_callback)(); }

private:
    CallbackMethodType m_callback;
};

class ClosureTask : public WebMethodTask<WebTestProxyBase> {
 public:
  ClosureTask(WebTestProxyBase* object, base::Closure callback)
      : WebMethodTask<WebTestProxyBase>(object), m_callback(callback) {}

  virtual void runIfValid() OVERRIDE {
    if (!m_callback.is_null())
      m_callback.Run();
  }

 private:
  base::Closure m_callback;
};

void printFrameDescription(WebTestDelegate* delegate, WebFrame* frame)
{
    string name8 = frame->uniqueName().utf8();
    if (frame == frame->view()->mainFrame()) {
        if (!name8.length()) {
            delegate->printMessage("main frame");
            return;
        }
        delegate->printMessage(string("main frame \"") + name8 + "\"");
        return;
    }
    if (!name8.length()) {
        delegate->printMessage("frame (anonymous)");
        return;
    }
    delegate->printMessage(string("frame \"") + name8 + "\"");
}

void printFrameUserGestureStatus(WebTestDelegate* delegate, WebFrame* frame, const char* msg)
{
    bool isUserGesture = WebUserGestureIndicator::isProcessingUserGesture();
    delegate->printMessage(string("Frame with user gesture \"") + (isUserGesture ? "true" : "false") + "\"" + msg);
}

// Used to write a platform neutral file:/// URL by taking the
// filename and its directory. (e.g., converts
// "file:///tmp/foo/bar.txt" to just "bar.txt").
string descriptionSuitableForTestResult(const string& url)
{
    if (url.empty() || string::npos == url.find("file://"))
        return url;

    size_t pos = url.rfind('/');
    if (pos == string::npos || !pos)
        return "ERROR:" + url;
    pos = url.rfind('/', pos - 1);
    if (pos == string::npos)
        return "ERROR:" + url;

    return url.substr(pos + 1);
}

void printResponseDescription(WebTestDelegate* delegate, const WebURLResponse& response)
{
    if (response.isNull()) {
        delegate->printMessage("(null)");
        return;
    }
    string url = response.url().spec();
    char data[100];
    snprintf(data, sizeof(data), "%d", response. httpStatusCode());
    delegate->printMessage(string("<NSURLResponse ") + descriptionSuitableForTestResult(url) + ", http status code " + data + ">");
}

string URLDescription(const GURL& url)
{
    if (url.SchemeIs("file"))
        return url.ExtractFileName();
    return url.possibly_invalid_spec();
}

string PriorityDescription(const WebURLRequest::Priority& priority)
{
    switch (priority) {
    case WebURLRequest::PriorityVeryLow:
        return "VeryLow";
    case WebURLRequest::PriorityLow:
        return "Low";
    case WebURLRequest::PriorityMedium:
        return "Medium";
    case WebURLRequest::PriorityHigh:
        return "High";
    case WebURLRequest::PriorityVeryHigh:
        return "VeryHigh";
    case WebURLRequest::PriorityUnresolved:
    default:
        return "Unresolved";
    }
}

void blockRequest(WebURLRequest& request)
{
    request.setURL(GURL("255.255.255.255"));
}

bool isLocalhost(const string& host)
{
    return host == "127.0.0.1" || host == "localhost";
}

bool hostIsUsedBySomeTestsToGenerateError(const string& host)
{
    return host == "255.255.255.255";
}

// Used to write a platform neutral file:/// URL by only taking the filename
// (e.g., converts "file:///tmp/foo.txt" to just "foo.txt").
string urlSuitableForTestResult(const string& url)
{
    if (url.empty() || string::npos == url.find("file://"))
        return url;

    size_t pos = url.rfind('/');
    if (pos == string::npos) {
#ifdef WIN32
        pos = url.rfind('\\');
        if (pos == string::npos)
            pos = 0;
#else
        pos = 0;
#endif
    }
    string filename = url.substr(pos + 1);
    if (filename.empty())
        return "file:"; // A WebKit test has this in its expected output.
    return filename;
}

// WebNavigationType debugging strings taken from PolicyDelegate.mm.
const char* linkClickedString = "link clicked";
const char* formSubmittedString = "form submitted";
const char* backForwardString = "back/forward";
const char* reloadString = "reload";
const char* formResubmittedString = "form resubmitted";
const char* otherString = "other";
const char* illegalString = "illegal value";

// Get a debugging string from a WebNavigationType.
const char* webNavigationTypeToString(WebNavigationType type)
{
    switch (type) {
    case blink::WebNavigationTypeLinkClicked:
        return linkClickedString;
    case blink::WebNavigationTypeFormSubmitted:
        return formSubmittedString;
    case blink::WebNavigationTypeBackForward:
        return backForwardString;
    case blink::WebNavigationTypeReload:
        return reloadString;
    case blink::WebNavigationTypeFormResubmitted:
        return formResubmittedString;
    case blink::WebNavigationTypeOther:
        return otherString;
    }
    return illegalString;
}

string dumpDocumentText(WebFrame* frame)
{
    // We use the document element's text instead of the body text here because
    // not all documents have a body, such as XML documents.
    WebElement documentElement = frame->document().documentElement();
    if (documentElement.isNull())
        return string();
    return documentElement.innerText().utf8();
}

string dumpFramesAsText(WebFrame* frame, bool recursive)
{
    string result;

    // Add header for all but the main frame. Skip empty frames.
    if (frame->parent() && !frame->document().documentElement().isNull()) {
        result.append("\n--------\nFrame: '");
        result.append(frame->uniqueName().utf8().data());
        result.append("'\n--------\n");
    }

    result.append(dumpDocumentText(frame));
    result.append("\n");

    if (recursive) {
        for (WebFrame* child = frame->firstChild(); child; child = child->nextSibling())
            result.append(dumpFramesAsText(child, recursive));
    }

    return result;
}

string dumpFramesAsPrintedText(WebFrame* frame, bool recursive)
{
    string result;

    // Cannot do printed format for anything other than HTML
    if (!frame->document().isHTMLDocument())
        return string();

    // Add header for all but the main frame. Skip empty frames.
    if (frame->parent() && !frame->document().documentElement().isNull()) {
        result.append("\n--------\nFrame: '");
        result.append(frame->uniqueName().utf8().data());
        result.append("'\n--------\n");
    }

    result.append(frame->renderTreeAsText(WebFrame::RenderAsTextPrinting).utf8());
    result.append("\n");

    if (recursive) {
        for (WebFrame* child = frame->firstChild(); child; child = child->nextSibling())
            result.append(dumpFramesAsPrintedText(child, recursive));
    }

    return result;
}

string dumpFrameScrollPosition(WebFrame* frame, bool recursive)
{
    string result;
    WebSize offset = frame->scrollOffset();
    if (offset.width > 0 || offset.height > 0) {
        if (frame->parent())
            result = string("frame '") + frame->uniqueName().utf8().data() + "' ";
        char data[100];
        snprintf(data, sizeof(data), "scrolled to %d,%d\n", offset.width, offset.height);
        result += data;
    }

    if (!recursive)
        return result;
    for (WebFrame* child = frame->firstChild(); child; child = child->nextSibling())
        result += dumpFrameScrollPosition(child, recursive);
    return result;
}

struct ToLower {
    base::char16 operator()(base::char16 c) { return tolower(c); }
};

// Returns True if item1 < item2.
bool HistoryItemCompareLess(const WebHistoryItem& item1, const WebHistoryItem& item2)
{
    base::string16 target1 = item1.target();
    base::string16 target2 = item2.target();
    std::transform(target1.begin(), target1.end(), target1.begin(), ToLower());
    std::transform(target2.begin(), target2.end(), target2.begin(), ToLower());
    return target1 < target2;
}

string dumpHistoryItem(const WebHistoryItem& item, int indent, bool isCurrent)
{
    string result;

    if (isCurrent) {
        result.append("curr->");
        result.append(indent - 6, ' '); // 6 == "curr->".length()
    } else
        result.append(indent, ' ');

    string url = normalizeLayoutTestURL(item.urlString().utf8());
    result.append(url);
    if (!item.target().isEmpty()) {
        result.append(" (in frame \"");
        result.append(item.target().utf8());
        result.append("\")");
    }
    result.append("\n");

    const WebVector<WebHistoryItem>& children = item.children();
    if (!children.isEmpty()) {
        // Must sort to eliminate arbitrary result ordering which defeats
        // reproducible testing.
        // FIXME: WebVector should probably just be a std::vector!!
        std::vector<WebHistoryItem> sortedChildren;
        for (size_t i = 0; i < children.size(); ++i)
            sortedChildren.push_back(children[i]);
        std::sort(sortedChildren.begin(), sortedChildren.end(), HistoryItemCompareLess);
        for (size_t i = 0; i < sortedChildren.size(); ++i)
            result += dumpHistoryItem(sortedChildren[i], indent + 4, false);
    }

    return result;
}

void dumpBackForwardList(const WebVector<WebHistoryItem>& history, size_t currentEntryIndex, string& result)
{
    result.append("\n============== Back Forward List ==============\n");
    for (size_t index = 0; index < history.size(); ++index)
        result.append(dumpHistoryItem(history[index], 8, index == currentEntryIndex));
    result.append("===============================================\n");
}

string dumpAllBackForwardLists(TestInterfaces* interfaces, WebTestDelegate* delegate)
{
    string result;
    const vector<WebTestProxyBase*>& windowList = interfaces->windowList();
    for (unsigned i = 0; i < windowList.size(); ++i) {
        size_t currentEntryIndex = 0;
        WebVector<WebHistoryItem> history;
        delegate->captureHistoryForWindow(windowList.at(i), &history, &currentEntryIndex);
        dumpBackForwardList(history, currentEntryIndex, result);
    }
    return result;
}

}

WebTestProxyBase::WebTestProxyBase()
    : m_testInterfaces(0)
    , m_delegate(0)
    , m_webWidget(0)
    , m_spellcheck(new SpellCheckClient(this))
    , m_chooserCount(0)
{
    reset();
}

WebTestProxyBase::~WebTestProxyBase()
{
    m_testInterfaces->windowClosed(this);
}

void WebTestProxyBase::setInterfaces(WebTestInterfaces* interfaces)
{
    m_testInterfaces = interfaces->testInterfaces();
    m_testInterfaces->windowOpened(this);
}

void WebTestProxyBase::setDelegate(WebTestDelegate* delegate)
{
    m_delegate = delegate;
    m_spellcheck->setDelegate(delegate);
#if ENABLE_INPUT_SPEECH
    if (m_speechInputController.get())
        m_speechInputController->setDelegate(delegate);
#endif
    if (m_speechRecognizer.get())
        m_speechRecognizer->setDelegate(delegate);
}

void WebTestProxyBase::setWidget(WebWidget* widget)
{
    m_webWidget = widget;
}

WebWidget* WebTestProxyBase::webWidget()
{
    return m_webWidget;
}

WebView* WebTestProxyBase::webView()
{
    DCHECK(m_webWidget);
    // TestRunner does not support popup widgets. So m_webWidget is always a WebView.
    return static_cast<WebView*>(m_webWidget);
}

void WebTestProxyBase::didForceResize()
{
    invalidateAll();
    discardBackingStore();
}

void WebTestProxyBase::reset()
{
    m_paintRect = WebRect();
    m_canvas.reset();
    m_isPainting = false;
    m_animateScheduled = false;
    m_resourceIdentifierMap.clear();
    m_logConsoleOutput = true;
    if (m_midiClient.get())
        m_midiClient->resetMock();
#if ENABLE_INPUT_SPEECH
    if (m_speechInputController.get())
        m_speechInputController->clearResults();
#endif
}

WebSpellCheckClient* WebTestProxyBase::spellCheckClient() const
{
    return m_spellcheck.get();
}

WebColorChooser* WebTestProxyBase::createColorChooser(WebColorChooserClient* client, const blink::WebColor& color)
{
    // This instance is deleted by WebCore::ColorInputType
    return new MockColorChooser(client, m_delegate, this);
}

WebColorChooser* WebTestProxyBase::createColorChooser(WebColorChooserClient* client, const blink::WebColor& color, const blink::WebVector<blink::WebColorSuggestion>& suggestions)
{
    // This instance is deleted by WebCore::ColorInputType
    return new MockColorChooser(client, m_delegate, this);
}

bool WebTestProxyBase::runFileChooser(const blink::WebFileChooserParams&, blink::WebFileChooserCompletion*)
{
    m_delegate->printMessage("Mock: Opening a file chooser.\n");
    // FIXME: Add ability to set file names to a file upload control.
    return false;
}

void WebTestProxyBase::showValidationMessage(const WebRect&, const WebString& message, const WebString& subMessage, WebTextDirection)
{
    m_delegate->printMessage(std::string("ValidationMessageClient: main-message=") + std::string(message.utf8()) + " sub-message=" + std::string(subMessage.utf8()) + "\n");
}

void WebTestProxyBase::hideValidationMessage()
{
}

void WebTestProxyBase::moveValidationMessage(const WebRect&)
{
}

string WebTestProxyBase::captureTree(bool debugRenderTree)
{
    bool shouldDumpAsText = m_testInterfaces->testRunner()->shouldDumpAsText();
    bool shouldDumpAsMarkup = m_testInterfaces->testRunner()->shouldDumpAsMarkup();
    bool shouldDumpAsPrinted = m_testInterfaces->testRunner()->isPrinting();
    WebFrame* frame = webView()->mainFrame();
    string dataUtf8;
    if (shouldDumpAsText) {
        bool recursive = m_testInterfaces->testRunner()->shouldDumpChildFramesAsText();
        dataUtf8 = shouldDumpAsPrinted ? dumpFramesAsPrintedText(frame, recursive) : dumpFramesAsText(frame, recursive);
    } else if (shouldDumpAsMarkup) {
        // Append a newline for the test driver.
        dataUtf8 = frame->contentAsMarkup().utf8() + "\n";
    } else {
        bool recursive = m_testInterfaces->testRunner()->shouldDumpChildFrameScrollPositions();
        WebFrame::RenderAsTextControls renderTextBehavior = WebFrame::RenderAsTextNormal;
        if (shouldDumpAsPrinted)
            renderTextBehavior |= WebFrame::RenderAsTextPrinting;
        if (debugRenderTree)
            renderTextBehavior |= WebFrame::RenderAsTextDebug;
        dataUtf8 = frame->renderTreeAsText(renderTextBehavior).utf8();
        dataUtf8 += dumpFrameScrollPosition(frame, recursive);
    }

    if (m_testInterfaces->testRunner()->shouldDumpBackForwardList())
        dataUtf8 += dumpAllBackForwardLists(m_testInterfaces, m_delegate);

    return dataUtf8;
}

SkCanvas* WebTestProxyBase::capturePixels()
{
    webWidget()->layout();
    if (m_testInterfaces->testRunner()->testRepaint()) {
        WebSize viewSize = webWidget()->size();
        int width = viewSize.width;
        int height = viewSize.height;
        if (m_testInterfaces->testRunner()->sweepHorizontally()) {
            for (WebRect column(0, 0, 1, height); column.x < width; column.x++)
                paintRect(column);
        } else {
            for (WebRect line(0, 0, width, 1); line.y < height; line.y++)
                paintRect(line);
        }
    } else if (m_testInterfaces->testRunner()->isPrinting())
        paintPagesWithBoundaries();
    else
        paintInvalidatedRegion();

    // See if we need to draw the selection bounds rect. Selection bounds
    // rect is the rect enclosing the (possibly transformed) selection.
    // The rect should be drawn after everything is laid out and painted.
    if (m_testInterfaces->testRunner()->shouldDumpSelectionRect()) {
        // If there is a selection rect - draw a red 1px border enclosing rect
        WebRect wr = webView()->mainFrame()->selectionBoundsRect();
        if (!wr.isEmpty()) {
            // Render a red rectangle bounding selection rect
            SkPaint paint;
            paint.setColor(0xFFFF0000); // Fully opaque red
            paint.setStyle(SkPaint::kStroke_Style);
            paint.setFlags(SkPaint::kAntiAlias_Flag);
            paint.setStrokeWidth(1.0f);
            SkIRect rect; // Bounding rect
            rect.set(wr.x, wr.y, wr.x + wr.width, wr.y + wr.height);
            canvas()->drawIRect(rect, paint);
        }
    }

    return canvas();
}

void WebTestProxyBase::setLogConsoleOutput(bool enabled)
{
    m_logConsoleOutput = enabled;
}

void WebTestProxyBase::paintRect(const WebRect& rect)
{
    DCHECK(!m_isPainting);
    DCHECK(canvas());
    m_isPainting = true;
    float deviceScaleFactor = webView()->deviceScaleFactor();
    int scaledX = static_cast<int>(static_cast<float>(rect.x) * deviceScaleFactor);
    int scaledY = static_cast<int>(static_cast<float>(rect.y) * deviceScaleFactor);
    int scaledWidth = static_cast<int>(ceil(static_cast<float>(rect.width) * deviceScaleFactor));
    int scaledHeight = static_cast<int>(ceil(static_cast<float>(rect.height) * deviceScaleFactor));
    WebRect deviceRect(scaledX, scaledY, scaledWidth, scaledHeight);
    webWidget()->paint(canvas(), deviceRect);
    m_isPainting = false;
}

void WebTestProxyBase::paintInvalidatedRegion()
{
    webWidget()->animate(0.0);
    webWidget()->layout();
    WebSize widgetSize = webWidget()->size();
    WebRect clientRect(0, 0, widgetSize.width, widgetSize.height);

    // Paint the canvas if necessary. Allow painting to generate extra rects
    // for the first two calls. This is necessary because some WebCore rendering
    // objects update their layout only when painted.
    // Store the total area painted in total_paint. Then tell the gdk window
    // to update that area after we're done painting it.
    for (int i = 0; i < 3; ++i) {
        // rect = intersect(m_paintRect , clientRect)
        WebRect damageRect = m_paintRect;
        int left = max(damageRect.x, clientRect.x);
        int top = max(damageRect.y, clientRect.y);
        int right = min(damageRect.x + damageRect.width, clientRect.x + clientRect.width);
        int bottom = min(damageRect.y + damageRect.height, clientRect.y + clientRect.height);
        WebRect rect;
        if (left < right && top < bottom)
            rect = WebRect(left, top, right - left, bottom - top);

        m_paintRect = WebRect();
        if (rect.isEmpty())
            continue;
        paintRect(rect);
    }
    DCHECK(m_paintRect.isEmpty());
}

void WebTestProxyBase::paintPagesWithBoundaries()
{
    DCHECK(!m_isPainting);
    DCHECK(canvas());
    m_isPainting = true;

    WebSize pageSizeInPixels = webWidget()->size();
    WebFrame* webFrame = webView()->mainFrame();

    int pageCount = webFrame->printBegin(pageSizeInPixels);
    int totalHeight = pageCount * (pageSizeInPixels.height + 1) - 1;

    SkCanvas* testCanvas = skia::TryCreateBitmapCanvas(pageSizeInPixels.width, totalHeight, false);
    if (testCanvas) {
        discardBackingStore();
        m_canvas.reset(testCanvas);
    } else {
        webFrame->printEnd();
        return;
    }

    webFrame->printPagesWithBoundaries(canvas(), pageSizeInPixels);
    webFrame->printEnd();

    m_isPainting = false;
}

SkCanvas* WebTestProxyBase::canvas()
{
    if (m_canvas.get())
        return m_canvas.get();
    WebSize widgetSize = webWidget()->size();
    float deviceScaleFactor = webView()->deviceScaleFactor();
    int scaledWidth = static_cast<int>(ceil(static_cast<float>(widgetSize.width) * deviceScaleFactor));
    int scaledHeight = static_cast<int>(ceil(static_cast<float>(widgetSize.height) * deviceScaleFactor));
    // We're allocating the canvas to be non-opaque (third parameter), so we
    // don't end up with uninitialized memory if a layout test doesn't damage
    // the entire view.
    m_canvas.reset(skia::CreateBitmapCanvas(scaledWidth, scaledHeight, false));
    return m_canvas.get();
}

void WebTestProxyBase::display(base::Closure callback)
{
    const blink::WebSize& size = webWidget()->size();
    WebRect rect(0, 0, size.width, size.height);
    m_paintRect = rect;
    paintInvalidatedRegion();

    if (!callback.is_null())
        callback.Run();
}

void WebTestProxyBase::displayAsyncThen(base::Closure callback)
{
  // TODO(enne): When compositing, this should invoke a real rAF, paint,
  // and commit.  For now, just make sure that displayAsync is actually
  // async so that callers can't depend on synchronous behavior.
  m_delegate->postTask(new ClosureTask(
      this,
      base::Bind(
          &WebTestProxyBase::display, base::Unretained(this), callback)));
}

void WebTestProxyBase::discardBackingStore()
{
    m_canvas.reset();
}

WebMIDIClientMock* WebTestProxyBase::midiClientMock()
{
    if (!m_midiClient.get())
        m_midiClient.reset(new WebMIDIClientMock);
    return m_midiClient.get();
}

#if ENABLE_INPUT_SPEECH
MockWebSpeechInputController* WebTestProxyBase::speechInputControllerMock()
{
    DCHECK(m_speechInputController.get());
    return m_speechInputController.get();
}
#endif

MockWebSpeechRecognizer* WebTestProxyBase::speechRecognizerMock()
{
    if (!m_speechRecognizer.get()) {
        m_speechRecognizer.reset(new MockWebSpeechRecognizer());
        m_speechRecognizer->setDelegate(m_delegate);
    }
    return m_speechRecognizer.get();
}

void WebTestProxyBase::didInvalidateRect(const WebRect& rect)
{
    // m_paintRect = m_paintRect U rect
    if (rect.isEmpty())
        return;
    if (m_paintRect.isEmpty()) {
        m_paintRect = rect;
        return;
    }
    int left = min(m_paintRect.x, rect.x);
    int top = min(m_paintRect.y, rect.y);
    int right = max(m_paintRect.x + m_paintRect.width, rect.x + rect.width);
    int bottom = max(m_paintRect.y + m_paintRect.height, rect.y + rect.height);
    m_paintRect = WebRect(left, top, right - left, bottom - top);
}

void WebTestProxyBase::didScrollRect(int, int, const WebRect& clipRect)
{
    didInvalidateRect(clipRect);
}

void WebTestProxyBase::invalidateAll()
{
    m_paintRect = WebRect(0, 0, INT_MAX, INT_MAX);
}

void WebTestProxyBase::scheduleComposite()
{
    invalidateAll();
}

void WebTestProxyBase::scheduleAnimation()
{
    if (!m_testInterfaces->testRunner()->TestIsRunning())
        return;

    if (!m_animateScheduled) {
        m_animateScheduled = true;
        m_delegate->postDelayedTask(new HostMethodTask(this, &WebTestProxyBase::animateNow), 1);
    }
}

void WebTestProxyBase::animateNow()
{
    if (m_animateScheduled) {
        m_animateScheduled = false;
        webWidget()->animate(0.0);
        webWidget()->layout();
    }
}

bool WebTestProxyBase::isCompositorFramePending() const
{
    return m_animateScheduled || !m_paintRect.isEmpty();
}

void WebTestProxyBase::show(WebNavigationPolicy)
{
    invalidateAll();
}

void WebTestProxyBase::setWindowRect(const WebRect& rect)
{
    invalidateAll();
    discardBackingStore();
}

void WebTestProxyBase::didAutoResize(const WebSize&)
{
    invalidateAll();
}

void WebTestProxyBase::postAccessibilityEvent(const blink::WebAXObject& obj, blink::WebAXEvent event)
{
    if (event == blink::WebAXEventFocus)
        m_testInterfaces->accessibilityController()->SetFocusedElement(obj);

    const char* eventName = 0;
    switch (event) {
    case blink::WebAXEventActiveDescendantChanged:
        eventName = "ActiveDescendantChanged";
        break;
    case blink::WebAXEventAlert:
        eventName = "Alert";
        break;
    case blink::WebAXEventAriaAttributeChanged:
        eventName = "AriaAttributeChanged";
        break;
    case blink::WebAXEventAutocorrectionOccured:
        eventName = "AutocorrectionOccured";
        break;
    case blink::WebAXEventBlur:
        eventName = "Blur";
        break;
    case blink::WebAXEventCheckedStateChanged:
        eventName = "CheckedStateChanged";
        break;
    case blink::WebAXEventChildrenChanged:
        eventName = "ChildrenChanged";
        break;
    case blink::WebAXEventFocus:
        eventName = "Focus";
        break;
    case blink::WebAXEventHide:
        eventName = "Hide";
        break;
    case blink::WebAXEventInvalidStatusChanged:
        eventName = "InvalidStatusChanged";
        break;
    case blink::WebAXEventLayoutComplete:
        eventName = "LayoutComplete";
        break;
    case blink::WebAXEventLiveRegionChanged:
        eventName = "LiveRegionChanged";
        break;
    case blink::WebAXEventLoadComplete:
        eventName = "LoadComplete";
        break;
    case blink::WebAXEventLocationChanged:
        eventName = "LocationChanged";
        break;
    case blink::WebAXEventMenuListItemSelected:
        eventName = "MenuListItemSelected";
        break;
    case blink::WebAXEventMenuListValueChanged:
        eventName = "MenuListValueChanged";
        break;
    case blink::WebAXEventRowCollapsed:
        eventName = "RowCollapsed";
        break;
    case blink::WebAXEventRowCountChanged:
        eventName = "RowCountChanged";
        break;
    case blink::WebAXEventRowExpanded:
        eventName = "RowExpanded";
        break;
    case blink::WebAXEventScrollPositionChanged:
        eventName = "ScrollPositionChanged";
        break;
    case blink::WebAXEventScrolledToAnchor:
        eventName = "ScrolledToAnchor";
        break;
    case blink::WebAXEventSelectedChildrenChanged:
        eventName = "SelectedChildrenChanged";
        break;
    case blink::WebAXEventSelectedTextChanged:
        eventName = "SelectedTextChanged";
        break;
    case blink::WebAXEventShow:
        eventName = "Show";
        break;
    case blink::WebAXEventTextChanged:
        eventName = "TextChanged";
        break;
    case blink::WebAXEventTextInserted:
        eventName = "TextInserted";
        break;
    case blink::WebAXEventTextRemoved:
        eventName = "TextRemoved";
        break;
    case blink::WebAXEventValueChanged:
        eventName = "ValueChanged";
        break;
    default:
        eventName = "Unknown";
        break;
    }

    m_testInterfaces->accessibilityController()->NotificationReceived(obj, eventName);

    if (m_testInterfaces->accessibilityController()->ShouldLogAccessibilityEvents()) {
        string message("AccessibilityNotification - ");
        message += eventName;

        blink::WebNode node = obj.node();
        if (!node.isNull() && node.isElementNode()) {
            blink::WebElement element = node.to<blink::WebElement>();
            if (element.hasAttribute("id")) {
                message += " - id:";
                message += element.getAttribute("id").utf8().data();
            }
        }

        m_delegate->printMessage(message + "\n");
    }
}

void WebTestProxyBase::startDragging(WebLocalFrame*, const WebDragData& data, WebDragOperationsMask mask, const WebImage&, const WebPoint&)
{
    // When running a test, we need to fake a drag drop operation otherwise
    // Windows waits for real mouse events to know when the drag is over.
    m_testInterfaces->eventSender()->DoDragDrop(data, mask);
}

// The output from these methods in layout test mode should match that
// expected by the layout tests. See EditingDelegate.m in DumpRenderTree.

void WebTestProxyBase::didChangeSelection(bool isEmptySelection)
{
    if (m_testInterfaces->testRunner()->shouldDumpEditingCallbacks())
        m_delegate->printMessage("EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification\n");
}

void WebTestProxyBase::didChangeContents()
{
    if (m_testInterfaces->testRunner()->shouldDumpEditingCallbacks())
        m_delegate->printMessage("EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification\n");
}

bool WebTestProxyBase::createView(WebLocalFrame*, const WebURLRequest& request, const WebWindowFeatures&, const WebString&, WebNavigationPolicy, bool)
{
    if (!m_testInterfaces->testRunner()->canOpenWindows())
        return false;
    if (m_testInterfaces->testRunner()->shouldDumpCreateView())
        m_delegate->printMessage(string("createView(") + URLDescription(request.url()) + ")\n");
    return true;
}

WebPlugin* WebTestProxyBase::createPlugin(WebLocalFrame* frame, const WebPluginParams& params)
{
    if (TestPlugin::isSupportedMimeType(params.mimeType))
        return TestPlugin::create(frame, params, m_delegate);
    return 0;
}

void WebTestProxyBase::setStatusText(const WebString& text)
{
    if (!m_testInterfaces->testRunner()->shouldDumpStatusCallbacks())
        return;
    m_delegate->printMessage(string("UI DELEGATE STATUS CALLBACK: setStatusText:") + text.utf8().data() + "\n");
}

void WebTestProxyBase::didStopLoading()
{
    if (m_testInterfaces->testRunner()->shouldDumpProgressFinishedCallback())
        m_delegate->printMessage("postProgressFinishedNotification\n");
}

void WebTestProxyBase::showContextMenu(WebLocalFrame*, const WebContextMenuData& contextMenuData)
{
    m_testInterfaces->eventSender()->SetContextMenuData(contextMenuData);
}

WebUserMediaClient* WebTestProxyBase::userMediaClient()
{
    if (!m_userMediaClient.get())
        m_userMediaClient.reset(new WebUserMediaClientMock(m_delegate));
    return m_userMediaClient.get();
}

// Simulate a print by going into print mode and then exit straight away.
void WebTestProxyBase::printPage(WebLocalFrame* frame)
{
    WebSize pageSizeInPixels = webWidget()->size();
    if (pageSizeInPixels.isEmpty())
        return;
    WebPrintParams printParams(pageSizeInPixels);
    frame->printBegin(printParams);
    frame->printEnd();
}

WebNotificationPresenter* WebTestProxyBase::notificationPresenter()
{
    return m_testInterfaces->testRunner()->notification_presenter();
}

WebMIDIClient* WebTestProxyBase::webMIDIClient()
{
    return midiClientMock();
}

WebSpeechInputController* WebTestProxyBase::speechInputController(WebSpeechInputListener* listener)
{
#if ENABLE_INPUT_SPEECH
    if (!m_speechInputController.get()) {
        m_speechInputController.reset(new MockWebSpeechInputController(listener));
        m_speechInputController->setDelegate(m_delegate);
    }
    return m_speechInputController.get();
#else
    DCHECK(listener);
    return 0;
#endif
}

WebSpeechRecognizer* WebTestProxyBase::speechRecognizer()
{
    return speechRecognizerMock();
}

bool WebTestProxyBase::requestPointerLock()
{
    return m_testInterfaces->testRunner()->RequestPointerLock();
}

void WebTestProxyBase::requestPointerUnlock()
{
    m_testInterfaces->testRunner()->RequestPointerUnlock();
}

bool WebTestProxyBase::isPointerLocked()
{
    return m_testInterfaces->testRunner()->isPointerLocked();
}

void WebTestProxyBase::didFocus()
{
    m_delegate->setFocus(this, true);
}

void WebTestProxyBase::didBlur()
{
    m_delegate->setFocus(this, false);
}

void WebTestProxyBase::setToolTipText(const WebString& text, WebTextDirection)
{
    m_testInterfaces->testRunner()->setToolTipText(text);
}

void WebTestProxyBase::didOpenChooser()
{
    m_chooserCount++;
}

void WebTestProxyBase::didCloseChooser()
{
    m_chooserCount--;
}

bool WebTestProxyBase::isChooserShown()
{
    return 0 < m_chooserCount;
}

void WebTestProxyBase::didStartProvisionalLoad(WebLocalFrame* frame)
{
    if (!m_testInterfaces->testRunner()->topLoadingFrame())
        m_testInterfaces->testRunner()->setTopLoadingFrame(frame, false);

    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(" - didStartProvisionalLoadForFrame\n");
    }

    if (m_testInterfaces->testRunner()->shouldDumpUserGestureInFrameLoadCallbacks())
        printFrameUserGestureStatus(m_delegate, frame, " - in didStartProvisionalLoadForFrame\n");
}

void WebTestProxyBase::didReceiveServerRedirectForProvisionalLoad(WebLocalFrame* frame)
{
    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(" - didReceiveServerRedirectForProvisionalLoadForFrame\n");
    }
}

bool WebTestProxyBase::didFailProvisionalLoad(WebLocalFrame* frame, const WebURLError&)
{
    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(" - didFailProvisionalLoadWithError\n");
    }
    locationChangeDone(frame);
    return !frame->provisionalDataSource();
}

void WebTestProxyBase::didCommitProvisionalLoad(WebLocalFrame* frame, bool)
{
    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(" - didCommitLoadForFrame\n");
    }
}

void WebTestProxyBase::didReceiveTitle(WebLocalFrame* frame, const WebString& title, WebTextDirection direction)
{
    WebCString title8 = title.utf8();

    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(string(" - didReceiveTitle: ") + title8.data() + "\n");
    }

    if (m_testInterfaces->testRunner()->shouldDumpTitleChanges())
        m_delegate->printMessage(string("TITLE CHANGED: '") + title8.data() + "'\n");
}

void WebTestProxyBase::didChangeIcon(WebLocalFrame* frame, WebIconURL::Type)
{
    if (m_testInterfaces->testRunner()->shouldDumpIconChanges()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(string(" - didChangeIcons\n"));
    }
}

void WebTestProxyBase::didFinishDocumentLoad(WebLocalFrame* frame)
{
    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(" - didFinishDocumentLoadForFrame\n");
    } else {
        unsigned pendingUnloadEvents = frame->unloadListenerCount();
        if (pendingUnloadEvents) {
            printFrameDescription(m_delegate, frame);
            char buffer[100];
            snprintf(buffer, sizeof(buffer), " - has %u onunload handler(s)\n", pendingUnloadEvents);
            m_delegate->printMessage(buffer);
        }
    }
}

void WebTestProxyBase::didHandleOnloadEvents(WebLocalFrame* frame)
{
    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(" - didHandleOnloadEventsForFrame\n");
    }
}

void WebTestProxyBase::didFailLoad(WebLocalFrame* frame, const WebURLError&)
{
    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(" - didFailLoadWithError\n");
    }
    locationChangeDone(frame);
}

void WebTestProxyBase::didFinishLoad(WebLocalFrame* frame)
{
    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(" - didFinishLoadForFrame\n");
    }
    locationChangeDone(frame);
}

void WebTestProxyBase::didDetectXSS(WebLocalFrame*, const WebURL&, bool)
{
    if (m_testInterfaces->testRunner()->shouldDumpFrameLoadCallbacks())
        m_delegate->printMessage("didDetectXSS\n");
}

void WebTestProxyBase::didDispatchPingLoader(WebLocalFrame*, const WebURL& url)
{
    if (m_testInterfaces->testRunner()->shouldDumpPingLoaderCallbacks())
        m_delegate->printMessage(string("PingLoader dispatched to '") + URLDescription(url).c_str() + "'.\n");
}

void WebTestProxyBase::willRequestResource(WebLocalFrame* frame, const blink::WebCachedURLRequest& request)
{
    if (m_testInterfaces->testRunner()->shouldDumpResourceRequestCallbacks()) {
        printFrameDescription(m_delegate, frame);
        m_delegate->printMessage(string(" - ") + request.initiatorName().utf8().data());
        m_delegate->printMessage(string(" requested '") + URLDescription(request.urlRequest().url()).c_str() + "'\n");
    }
}

void WebTestProxyBase::willSendRequest(WebLocalFrame*, unsigned identifier, blink::WebURLRequest& request, const blink::WebURLResponse& redirectResponse)
{
    // Need to use GURL for host() and SchemeIs()
    GURL url = request.url();
    string requestURL = url.possibly_invalid_spec();

    GURL mainDocumentURL = request.firstPartyForCookies();

    if (redirectResponse.isNull() && (m_testInterfaces->testRunner()->shouldDumpResourceLoadCallbacks() || m_testInterfaces->testRunner()->shouldDumpResourcePriorities())) {
        DCHECK(m_resourceIdentifierMap.find(identifier) == m_resourceIdentifierMap.end());
        m_resourceIdentifierMap[identifier] = descriptionSuitableForTestResult(requestURL);
    }

    if (m_testInterfaces->testRunner()->shouldDumpResourceLoadCallbacks()) {
        if (m_resourceIdentifierMap.find(identifier) == m_resourceIdentifierMap.end())
            m_delegate->printMessage("<unknown>");
        else
            m_delegate->printMessage(m_resourceIdentifierMap[identifier]);
        m_delegate->printMessage(" - willSendRequest <NSURLRequest URL ");
        m_delegate->printMessage(descriptionSuitableForTestResult(requestURL).c_str());
        m_delegate->printMessage(", main document URL ");
        m_delegate->printMessage(URLDescription(mainDocumentURL).c_str());
        m_delegate->printMessage(", http method ");
        m_delegate->printMessage(request.httpMethod().utf8().data());
        m_delegate->printMessage("> redirectResponse ");
        printResponseDescription(m_delegate, redirectResponse);
        m_delegate->printMessage("\n");
    }

    if (m_testInterfaces->testRunner()->shouldDumpResourcePriorities()) {
        m_delegate->printMessage(descriptionSuitableForTestResult(requestURL).c_str());
        m_delegate->printMessage(" has priority ");
        m_delegate->printMessage(PriorityDescription(request.priority()));
        m_delegate->printMessage("\n");
    }

    if (m_testInterfaces->testRunner()->httpHeadersToClear()) {
        const set<string> *clearHeaders = m_testInterfaces->testRunner()->httpHeadersToClear();
        for (set<string>::const_iterator header = clearHeaders->begin(); header != clearHeaders->end(); ++header)
            request.clearHTTPHeaderField(WebString::fromUTF8(*header));
    }

    string host = url.host();
    if (!host.empty() && (url.SchemeIs("http") || url.SchemeIs("https"))) {
        if (!isLocalhost(host) && !hostIsUsedBySomeTestsToGenerateError(host)
            && ((!mainDocumentURL.SchemeIs("http") && !mainDocumentURL.SchemeIs("https")) || isLocalhost(mainDocumentURL.host()))
            && !m_delegate->allowExternalPages()) {
            m_delegate->printMessage(string("Blocked access to external URL ") + requestURL + "\n");
            blockRequest(request);
            return;
        }
    }

    // Set the new substituted URL.
    request.setURL(m_delegate->rewriteLayoutTestsURL(request.url().spec()));
}

void WebTestProxyBase::didReceiveResponse(WebLocalFrame*, unsigned identifier, const blink::WebURLResponse& response)
{
    if (m_testInterfaces->testRunner()->shouldDumpResourceLoadCallbacks()) {
        if (m_resourceIdentifierMap.find(identifier) == m_resourceIdentifierMap.end())
            m_delegate->printMessage("<unknown>");
        else
            m_delegate->printMessage(m_resourceIdentifierMap[identifier]);
        m_delegate->printMessage(" - didReceiveResponse ");
        printResponseDescription(m_delegate, response);
        m_delegate->printMessage("\n");
    }
    if (m_testInterfaces->testRunner()->shouldDumpResourceResponseMIMETypes()) {
        GURL url = response.url();
        WebString mimeType = response.mimeType();
        m_delegate->printMessage(url.ExtractFileName());
        m_delegate->printMessage(" has MIME type ");
        // Simulate NSURLResponse's mapping of empty/unknown MIME types to application/octet-stream
        m_delegate->printMessage(mimeType.isEmpty() ? "application/octet-stream" : mimeType.utf8().data());
        m_delegate->printMessage("\n");
    }
}

void WebTestProxyBase::didChangeResourcePriority(WebLocalFrame*, unsigned identifier, const blink::WebURLRequest::Priority& priority)
{
    if (m_testInterfaces->testRunner()->shouldDumpResourcePriorities()) {
        if (m_resourceIdentifierMap.find(identifier) == m_resourceIdentifierMap.end())
            m_delegate->printMessage("<unknown>");
        else
            m_delegate->printMessage(m_resourceIdentifierMap[identifier]);
        m_delegate->printMessage(" changed priority to ");
        m_delegate->printMessage(PriorityDescription(priority));
        m_delegate->printMessage("\n");
    }
}

void WebTestProxyBase::didFinishResourceLoad(WebLocalFrame*, unsigned identifier)
{
    if (m_testInterfaces->testRunner()->shouldDumpResourceLoadCallbacks()) {
        if (m_resourceIdentifierMap.find(identifier) == m_resourceIdentifierMap.end())
            m_delegate->printMessage("<unknown>");
        else
            m_delegate->printMessage(m_resourceIdentifierMap[identifier]);
        m_delegate->printMessage(" - didFinishLoading\n");
    }
    m_resourceIdentifierMap.erase(identifier);
}

void WebTestProxyBase::didAddMessageToConsole(const WebConsoleMessage& message, const WebString& sourceName, unsigned sourceLine)
{
    // This matches win DumpRenderTree's UIDelegate.cpp.
    if (!m_logConsoleOutput)
        return;
    string level;
    switch (message.level) {
    case WebConsoleMessage::LevelDebug:
        level = "DEBUG";
        break;
    case WebConsoleMessage::LevelLog:
        level = "MESSAGE";
        break;
    case WebConsoleMessage::LevelInfo:
        level = "INFO";
        break;
    case WebConsoleMessage::LevelWarning:
        level = "WARNING";
        break;
    case WebConsoleMessage::LevelError:
        level = "ERROR";
        break;
    }
    m_delegate->printMessage(string("CONSOLE ") + level + ": ");
    if (sourceLine) {
        char buffer[40];
        snprintf(buffer, sizeof(buffer), "line %d: ", sourceLine);
        m_delegate->printMessage(buffer);
    }
    if (!message.text.isEmpty()) {
        string newMessage;
        newMessage = message.text.utf8();
        size_t fileProtocol = newMessage.find("file://");
        if (fileProtocol != string::npos) {
            newMessage = newMessage.substr(0, fileProtocol)
                + urlSuitableForTestResult(newMessage.substr(fileProtocol));
        }
        m_delegate->printMessage(newMessage);
    }
    m_delegate->printMessage(string("\n"));
}

void WebTestProxyBase::runModalAlertDialog(WebLocalFrame*, const WebString& message)
{
    m_delegate->printMessage(string("ALERT: ") + message.utf8().data() + "\n");
}

bool WebTestProxyBase::runModalConfirmDialog(WebLocalFrame*, const WebString& message)
{
    m_delegate->printMessage(string("CONFIRM: ") + message.utf8().data() + "\n");
    return true;
}

bool WebTestProxyBase::runModalPromptDialog(WebLocalFrame* frame, const WebString& message, const WebString& defaultValue, WebString*)
{
    m_delegate->printMessage(string("PROMPT: ") + message.utf8().data() + ", default text: " + defaultValue.utf8().data() + "\n");
    return true;
}

bool WebTestProxyBase::runModalBeforeUnloadDialog(WebLocalFrame*, const WebString& message)
{
    m_delegate->printMessage(string("CONFIRM NAVIGATION: ") + message.utf8().data() + "\n");
    return !m_testInterfaces->testRunner()->shouldStayOnPageAfterHandlingBeforeUnload();
}

void WebTestProxyBase::locationChangeDone(WebFrame* frame)
{
    if (frame != m_testInterfaces->testRunner()->topLoadingFrame())
        return;
    m_testInterfaces->testRunner()->setTopLoadingFrame(frame, true);
}

WebNavigationPolicy WebTestProxyBase::decidePolicyForNavigation(WebLocalFrame*, WebDataSource::ExtraData*, const WebURLRequest& request, WebNavigationType type, WebNavigationPolicy defaultPolicy, bool isRedirect)
{
    WebNavigationPolicy result;
    if (!m_testInterfaces->testRunner()->policyDelegateEnabled())
        return defaultPolicy;

    m_delegate->printMessage(string("Policy delegate: attempt to load ") + URLDescription(request.url()) + " with navigation type '" + webNavigationTypeToString(type) + "'\n");
    if (m_testInterfaces->testRunner()->policyDelegateIsPermissive())
        result = blink::WebNavigationPolicyCurrentTab;
    else
        result = blink::WebNavigationPolicyIgnore;

    if (m_testInterfaces->testRunner()->policyDelegateShouldNotifyDone())
        m_testInterfaces->testRunner()->policyDelegateDone();
    return result;
}

bool WebTestProxyBase::willCheckAndDispatchMessageEvent(WebLocalFrame*, WebFrame*, WebSecurityOrigin, WebDOMMessageEvent)
{
    if (m_testInterfaces->testRunner()->shouldInterceptPostMessage()) {
        m_delegate->printMessage("intercepted postMessage\n");
        return true;
    }

    return false;
}

void WebTestProxyBase::postSpellCheckEvent(const WebString& eventName)
{
    if (m_testInterfaces->testRunner()->shouldDumpSpellCheckCallbacks()) {
        m_delegate->printMessage(string("SpellCheckEvent: ") + eventName.utf8().data() + "\n");
    }
}

void WebTestProxyBase::resetInputMethod()
{
    // If a composition text exists, then we need to let the browser process
    // to cancel the input method's ongoing composition session.
    if (m_webWidget)
        m_webWidget->confirmComposition();
}

}
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root/content/shell/renderer/test_runner/WebTestProxy.cpp

DEFINITIONS
