chrome/browser/extensions/isolated_app

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This source file includes following definitions.
WrapForJavascriptAndExtract
HandleExpectAndSetCookieRequest
HasCookie
GetInstalledApp
SetUpCommandLine
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
// Copyright (c) 2012 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 "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/process_map.h"
#include "extensions/common/switches.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/embedded_test_server/http_request.h"
#include "net/test/embedded_test_server/http_response.h"

using content::ExecuteScript;
using content::ExecuteScriptAndExtractString;
using content::NavigationController;
using content::WebContents;
using content::RenderViewHost;

namespace {

std::string WrapForJavascriptAndExtract(const char* javascript_expression) {
  return std::string("window.domAutomationController.send(") +
      javascript_expression + ")";
}

scoped_ptr<net::test_server::HttpResponse> HandleExpectAndSetCookieRequest(
    const net::test_server::EmbeddedTestServer* test_server,
    const net::test_server::HttpRequest& request) {
  if (!StartsWithASCII(request.relative_url, "/expect-and-set-cookie?", true))
    return scoped_ptr<net::test_server::HttpResponse>();

  scoped_ptr<net::test_server::BasicHttpResponse> http_response(
      new net::test_server::BasicHttpResponse);
  http_response->set_code(net::HTTP_OK);

  std::string request_cookies;
  std::map<std::string, std::string>::const_iterator it =
      request.headers.find("Cookie");
  if (it != request.headers.end())
    request_cookies = it->second;

  size_t query_string_pos = request.relative_url.find('?');
  std::string query_string =
      request.relative_url.substr(query_string_pos + 1);
  url_parse::Component query(0, query_string.length()), key_pos, value_pos;
  bool expectations_satisfied = true;
  std::vector<std::string> cookies_to_set;
  while (url_parse::ExtractQueryKeyValue(
             query_string.c_str(), &query, &key_pos, &value_pos)) {
    std::string escaped_key(query_string.substr(key_pos.begin, key_pos.len));
    std::string escaped_value(
        query_string.substr(value_pos.begin, value_pos.len));

    std::string key =
        net::UnescapeURLComponent(escaped_key,
                                  net::UnescapeRule::NORMAL |
                                  net::UnescapeRule::SPACES |
                                  net::UnescapeRule::URL_SPECIAL_CHARS);

    std::string value =
        net::UnescapeURLComponent(escaped_value,
                                  net::UnescapeRule::NORMAL |
                                  net::UnescapeRule::SPACES |
                                  net::UnescapeRule::URL_SPECIAL_CHARS);

    if (key == "expect") {
      if (request_cookies.find(value) == std::string::npos)
        expectations_satisfied = false;
    } else if (key == "set") {
      cookies_to_set.push_back(value);
    } else {
      return scoped_ptr<net::test_server::HttpResponse>();
    }
  }

  if (expectations_satisfied) {
    for (size_t i = 0; i < cookies_to_set.size(); i++)
      http_response->AddCustomHeader("Set-Cookie", cookies_to_set[i]);
  }

  return http_response.PassAs<net::test_server::HttpResponse>();
}

class IsolatedAppTest : public ExtensionBrowserTest {
 public:
  // Returns whether the given tab's current URL has the given cookie.
  bool WARN_UNUSED_RESULT HasCookie(WebContents* contents, std::string cookie) {
    int value_size;
    std::string actual_cookie;
    ui_test_utils::GetCookies(contents->GetURL(), contents, &value_size,
                              &actual_cookie);
    return actual_cookie.find(cookie) != std::string::npos;
  }

  const extensions::Extension* GetInstalledApp(WebContents* contents) {
    const extensions::Extension* installed_app = NULL;
    Profile* profile =
        Profile::FromBrowserContext(contents->GetBrowserContext());
    ExtensionService* service = profile->GetExtensionService();
    if (service) {
      std::set<std::string> extension_ids =
          extensions::ProcessMap::Get(profile)->GetExtensionsInProcess(
              contents->GetRenderViewHost()->GetProcess()->GetID());
      for (std::set<std::string>::iterator iter = extension_ids.begin();
           iter != extension_ids.end(); ++iter) {
        installed_app = service->extensions()->GetByID(*iter);
        if (installed_app && installed_app->is_app())
          return installed_app;
      }
    }
    return NULL;
  }

 private:
  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
    ExtensionBrowserTest::SetUpCommandLine(command_line);
    command_line->AppendSwitch(
        extensions::switches::kEnableExperimentalExtensionApis);
  }
};

}  // namespace

IN_PROC_BROWSER_TEST_F(IsolatedAppTest, CrossProcessClientRedirect) {
  host_resolver()->AddRule("*", "127.0.0.1");
  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());

  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app1")));
  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app2")));

  GURL base_url = embedded_test_server()->GetURL("/extensions/isolated_apps/");
  GURL::Replacements replace_host;
  std::string host_str("localhost");  // Must stay in scope with replace_host.
  replace_host.SetHostStr(host_str);
  base_url = base_url.ReplaceComponents(replace_host);
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);

  // Redirect to app2.
  GURL redirect_url(embedded_test_server()->GetURL(
      "/extensions/isolated_apps/app2/redirect.html"));
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), redirect_url,
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);

  // Go back twice.
  // If bug fixed, we cannot go back anymore.
  // If not fixed, we will redirect back to app2 and can go back again.
  EXPECT_TRUE(chrome::CanGoBack(browser()));
  chrome::GoBack(browser(), CURRENT_TAB);
  EXPECT_TRUE(chrome::CanGoBack(browser()));
  chrome::GoBack(browser(), CURRENT_TAB);
  EXPECT_FALSE(chrome::CanGoBack(browser()));

  // We also need to test script-initialized navigation (document.location.href)
  // happened after page finishes loading. This one will also triggered the
  // willPerformClientRedirect hook in RenderViewImpl but should not replace
  // the previous history entry.
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("non_app/main.html"),
      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);

  WebContents* tab0 = browser()->tab_strip_model()->GetWebContentsAt(1);

  // Using JavaScript to navigate to app2 page,
  // after the non_app page has finished loading.
  content::WindowedNotificationObserver observer1(
      content::NOTIFICATION_LOAD_STOP,
      content::Source<NavigationController>(
          &browser()->tab_strip_model()->GetActiveWebContents()->
              GetController()));
  std::string script = base::StringPrintf(
        "document.location.href=\"%s\";",
        base_url.Resolve("app2/main.html").spec().c_str());
  EXPECT_TRUE(ExecuteScript(tab0, script));
  observer1.Wait();

  // This kind of navigation should not replace previous navigation entry.
  EXPECT_TRUE(chrome::CanGoBack(browser()));
  chrome::GoBack(browser(), CURRENT_TAB);
  EXPECT_FALSE(chrome::CanGoBack(browser()));
}

// Tests that cookies set within an isolated app are not visible to normal
// pages or other apps.
//
// TODO(ajwong): Also test what happens if an app spans multiple sites in its
// extent.  These origins should also be isolated, but still have origin-based
// separation as you would expect.
//
// This test is disabled due to being flaky. http://crbug.com/86562
#if defined(OS_WIN)
#define MAYBE_CookieIsolation DISABLED_CookieIsolation
#else
#define MAYBE_CookieIsolation CookieIsolation
#endif
IN_PROC_BROWSER_TEST_F(IsolatedAppTest, MAYBE_CookieIsolation) {
  host_resolver()->AddRule("*", "127.0.0.1");
  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());

  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app1")));
  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app2")));

  // The app under test acts on URLs whose host is "localhost",
  // so the URLs we navigate to must have host "localhost".
  GURL base_url = embedded_test_server()->GetURL("/extensions/isolated_apps/");
  GURL::Replacements replace_host;
  std::string host_str("localhost");  // Must stay in scope with replace_host.
  replace_host.SetHostStr(host_str);
  base_url = base_url.ReplaceComponents(replace_host);

  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app2/main.html"),
      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("non_app/main.html"),
      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);

  ASSERT_EQ(3, browser()->tab_strip_model()->count());

  // Ensure first two tabs have installed apps.
  WebContents* tab0 = browser()->tab_strip_model()->GetWebContentsAt(0);
  WebContents* tab1 = browser()->tab_strip_model()->GetWebContentsAt(1);
  WebContents* tab2 = browser()->tab_strip_model()->GetWebContentsAt(2);
  ASSERT_TRUE(GetInstalledApp(tab0));
  ASSERT_TRUE(GetInstalledApp(tab1));
  ASSERT_TRUE(!GetInstalledApp(tab2));

  // Check that tabs see cannot each other's localStorage even though they are
  // in the same origin.
  ASSERT_TRUE(ExecuteScript(
      tab0, "window.localStorage.setItem('testdata', 'ls_app1');"));
  ASSERT_TRUE(ExecuteScript(
      tab1, "window.localStorage.setItem('testdata', 'ls_app2');"));
  ASSERT_TRUE(ExecuteScript(
      tab2, "window.localStorage.setItem('testdata', 'ls_normal');"));

  const std::string& kRetrieveLocalStorage =
      WrapForJavascriptAndExtract(
          "window.localStorage.getItem('testdata') || 'badval'");
  std::string result;
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      tab0, kRetrieveLocalStorage.c_str(), &result));
  EXPECT_EQ("ls_app1", result);
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      tab1, kRetrieveLocalStorage.c_str(), &result));
  EXPECT_EQ("ls_app2", result);
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      tab2, kRetrieveLocalStorage.c_str(), &result));
  EXPECT_EQ("ls_normal", result);

  // Check that each tab sees its own cookie.
  EXPECT_TRUE(HasCookie(tab0, "app1=3"));
  EXPECT_TRUE(HasCookie(tab1, "app2=4"));
  EXPECT_TRUE(HasCookie(tab2, "normalPage=5"));

  // Check that app1 tab cannot see the other cookies.
  EXPECT_FALSE(HasCookie(tab0, "app2"));
  EXPECT_FALSE(HasCookie(tab0, "normalPage"));

  // Check that app2 tab cannot see the other cookies.
  EXPECT_FALSE(HasCookie(tab1, "app1"));
  EXPECT_FALSE(HasCookie(tab1, "normalPage"));

  // Check that normal tab cannot see the other cookies.
  EXPECT_FALSE(HasCookie(tab2, "app1"));
  EXPECT_FALSE(HasCookie(tab2, "app2"));

  // Check that the non_app iframe cookie is associated with app1 and not the
  // normal tab.  (For now, iframes are always rendered in their parent
  // process, even if they aren't in the app manifest.)
  EXPECT_TRUE(HasCookie(tab0, "nonAppFrame=6"));
  EXPECT_FALSE(HasCookie(tab2, "nonAppFrame"));

  // Check that isolation persists even if the tab crashes and is reloaded.
  chrome::SelectNumberedTab(browser(), 0);
  content::CrashTab(tab0);
  content::WindowedNotificationObserver observer(
      content::NOTIFICATION_LOAD_STOP,
      content::Source<NavigationController>(
          &browser()->tab_strip_model()->GetActiveWebContents()->
              GetController()));
  chrome::Reload(browser(), CURRENT_TAB);
  observer.Wait();
  EXPECT_TRUE(HasCookie(tab0, "app1=3"));
  EXPECT_FALSE(HasCookie(tab0, "app2"));
  EXPECT_FALSE(HasCookie(tab0, "normalPage"));

}

// This test is disabled due to being flaky. http://crbug.com/145588
// Ensure that cookies are not isolated if the isolated apps are not installed.
IN_PROC_BROWSER_TEST_F(IsolatedAppTest, DISABLED_NoCookieIsolationWithoutApp) {
  host_resolver()->AddRule("*", "127.0.0.1");
  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());

  // The app under test acts on URLs whose host is "localhost",
  // so the URLs we navigate to must have host "localhost".
  GURL base_url = embedded_test_server()->GetURL("/extensions/isolated_apps/");
  GURL::Replacements replace_host;
  std::string host_str("localhost");  // Must stay in scope with replace_host.
  replace_host.SetHostStr(host_str);
  base_url = base_url.ReplaceComponents(replace_host);

  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app2/main.html"),
      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("non_app/main.html"),
      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);

  ASSERT_EQ(3, browser()->tab_strip_model()->count());

  // Check that tabs see each other's cookies.
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(0),
                        "app2=4"));
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(0),
                        "normalPage=5"));
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(0),
                        "nonAppFrame=6"));
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(1),
                        "app1=3"));
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(1),
                        "normalPage=5"));
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(1),
                        "nonAppFrame=6"));
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(2),
                        "app1=3"));
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(2),
                        "app2=4"));
  EXPECT_TRUE(HasCookie(browser()->tab_strip_model()->GetWebContentsAt(2),
                        "nonAppFrame=6"));

  // Check that all tabs share the same localStorage if they have the same
  // origin.
  WebContents* app1_wc = browser()->tab_strip_model()->GetWebContentsAt(0);
  WebContents* app2_wc = browser()->tab_strip_model()->GetWebContentsAt(1);
  WebContents* non_app_wc = browser()->tab_strip_model()->GetWebContentsAt(2);
  ASSERT_TRUE(ExecuteScript(
      app1_wc, "window.localStorage.setItem('testdata', 'ls_app1');"));
  ASSERT_TRUE(ExecuteScript(
      app2_wc, "window.localStorage.setItem('testdata', 'ls_app2');"));
  ASSERT_TRUE(ExecuteScript(
      non_app_wc, "window.localStorage.setItem('testdata', 'ls_normal');"));

  const std::string& kRetrieveLocalStorage =
      WrapForJavascriptAndExtract("window.localStorage.getItem('testdata')");
  std::string result;
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      app1_wc, kRetrieveLocalStorage.c_str(), &result));
  EXPECT_EQ("ls_normal", result);
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      app2_wc, kRetrieveLocalStorage.c_str(), &result));
  EXPECT_EQ("ls_normal", result);
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      non_app_wc, kRetrieveLocalStorage.c_str(), &result));
  EXPECT_EQ("ls_normal", result);
}

// Test timing out on Windows debug bots.
// http://crbug.com/174926
#if defined(OS_WIN) && !defined(NDEBUG)
#define MAYBE_SubresourceCookieIsolation DISABLED_SubresourceCookieIsolation
#else
#define MAYBE_SubresourceCookieIsolation SubresourceCookieIsolation
#endif  // defined(OS_WIN) && !defined(NDEBUG)

// Tests that subresource and media requests use the app's cookie store.
// See http://crbug.com/141172.
IN_PROC_BROWSER_TEST_F(IsolatedAppTest, MAYBE_SubresourceCookieIsolation) {
  embedded_test_server()->RegisterRequestHandler(
      base::Bind(&HandleExpectAndSetCookieRequest, embedded_test_server()));

  host_resolver()->AddRule("*", "127.0.0.1");
  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());

  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app1")));

  // The app under test acts on URLs whose host is "localhost",
  // so the URLs we navigate to must have host "localhost".
  GURL root_url = embedded_test_server()->GetURL("/");
  GURL base_url = embedded_test_server()->GetURL("/extensions/isolated_apps/");
  GURL::Replacements replace_host;
  std::string host_str("localhost");  // Must stay in scope with replace_host.
  replace_host.SetHostStr(host_str);
  root_url = root_url.ReplaceComponents(replace_host);
  base_url = base_url.ReplaceComponents(replace_host);

  // First set cookies inside and outside the app.
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), root_url.Resolve("expect-and-set-cookie?set=nonApp%3d1"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  WebContents* tab0 = browser()->tab_strip_model()->GetWebContentsAt(0);
  ASSERT_FALSE(GetInstalledApp(tab0));
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/main.html"),
      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  WebContents* tab1 = browser()->tab_strip_model()->GetWebContentsAt(1);
  ASSERT_TRUE(GetInstalledApp(tab1));

  // Check that each tab sees its own cookie.
  EXPECT_TRUE(HasCookie(tab0, "nonApp=1"));
  EXPECT_FALSE(HasCookie(tab0, "app1=3"));
  EXPECT_FALSE(HasCookie(tab1, "nonApp=1"));
  EXPECT_TRUE(HasCookie(tab1, "app1=3"));

  // Now visit an app page that loads subresources located outside the app.
  // For both images and video tags, it loads two URLs:
  //  - One will set nonApp{Media,Image}=1 cookies if nonApp=1 is set.
  //  - One will set app1{Media,Image}=1 cookies if app1=3 is set.
  // We expect only the app's cookies to be present.
  // We must wait for the onload event, to allow the subresources to finish.
  content::WindowedNotificationObserver observer(
      content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
      content::Source<WebContents>(
          browser()->tab_strip_model()->GetActiveWebContents()));
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/app_subresources.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  observer.Wait();
  EXPECT_FALSE(HasCookie(tab1, "nonAppMedia=1"));
  EXPECT_TRUE(HasCookie(tab1, "app1Media=1"));
  EXPECT_FALSE(HasCookie(tab1, "nonAppImage=1"));
  EXPECT_TRUE(HasCookie(tab1, "app1Image=1"));

  // Also create a non-app tab to ensure no new cookies were set in that jar.
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), root_url,
      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  WebContents* tab2 = browser()->tab_strip_model()->GetWebContentsAt(2);
  EXPECT_FALSE(HasCookie(tab2, "nonAppMedia=1"));
  EXPECT_FALSE(HasCookie(tab2, "app1Media=1"));
  EXPECT_FALSE(HasCookie(tab2, "nonAppImage=1"));
  EXPECT_FALSE(HasCookie(tab2, "app1Image=1"));
}

// Test is flaky on Windows.
// http://crbug.com/247667
#if defined(OS_WIN)
#define MAYBE_IsolatedAppProcessModel DISABLED_IsolatedAppProcessModel
#else
#define MAYBE_IsolatedAppProcessModel IsolatedAppProcessModel
#endif  // defined(OS_WIN)

// Tests that isolated apps processes do not render top-level non-app pages.
// This is true even in the case of the OAuth workaround for hosted apps,
// where non-app popups may be kept in the hosted app process.
IN_PROC_BROWSER_TEST_F(IsolatedAppTest, MAYBE_IsolatedAppProcessModel) {
  host_resolver()->AddRule("*", "127.0.0.1");
  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());

  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app1")));

  // The app under test acts on URLs whose host is "localhost",
  // so the URLs we navigate to must have host "localhost".
  GURL base_url = embedded_test_server()->GetURL("/extensions/isolated_apps/");
  GURL::Replacements replace_host;
  std::string host_str("localhost");  // Must stay in scope with replace_host.
  replace_host.SetHostStr(host_str);
  base_url = base_url.ReplaceComponents(replace_host);

  // Create three tabs in the isolated app in different ways.
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/main.html"),
      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  // For the third tab, use window.open to keep it in process with an opener.
  OpenWindow(browser()->tab_strip_model()->GetWebContentsAt(0),
             base_url.Resolve("app1/main.html"), true, NULL);

  // In a fourth tab, use window.open to a non-app URL.  It should open in a
  // separate process, even though this would trigger the OAuth workaround
  // for hosted apps (from http://crbug.com/59285).
  OpenWindow(browser()->tab_strip_model()->GetWebContentsAt(0),
             base_url.Resolve("non_app/main.html"), false, NULL);

  // We should now have four tabs, the first and third sharing a process.
  // The second one is an independent instance in a separate process.
  ASSERT_EQ(4, browser()->tab_strip_model()->count());
  int process_id_0 = browser()->tab_strip_model()->GetWebContentsAt(0)->
      GetRenderProcessHost()->GetID();
  int process_id_1 = browser()->tab_strip_model()->GetWebContentsAt(1)->
      GetRenderProcessHost()->GetID();
  EXPECT_NE(process_id_0, process_id_1);
  EXPECT_EQ(process_id_0,
            browser()->tab_strip_model()->GetWebContentsAt(2)->
                GetRenderProcessHost()->GetID());
  EXPECT_NE(process_id_0,
            browser()->tab_strip_model()->GetWebContentsAt(3)->
                GetRenderProcessHost()->GetID());

  // Navigating the second tab out of the app should cause a process swap.
  const GURL& non_app_url(base_url.Resolve("non_app/main.html"));
  NavigateInRenderer(browser()->tab_strip_model()->GetWebContentsAt(1),
                     non_app_url);
  EXPECT_NE(process_id_1,
            browser()->tab_strip_model()->GetWebContentsAt(1)->
                GetRenderProcessHost()->GetID());
}

// This test no longer passes, since we don't properly isolate sessionStorage
// for isolated apps. This was broken as part of the changes for storage
// partition support for webview tags.
// TODO(nasko): If isolated apps is no longer developed, this test should be
// removed. http://crbug.com/159932
IN_PROC_BROWSER_TEST_F(IsolatedAppTest, DISABLED_SessionStorage) {
  host_resolver()->AddRule("*", "127.0.0.1");
  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());

  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app1")));
  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app2")));

  // The app under test acts on URLs whose host is "localhost",
  // so the URLs we navigate to must have host "localhost".
  GURL base_url = embedded_test_server()->GetURL("/extensions/isolated_apps/");
  GURL::Replacements replace_host;
  std::string host_str("localhost");  // Must stay in scope with replace_host.
  replace_host.SetHostStr(host_str);
  base_url = base_url.ReplaceComponents(replace_host);

  // Enter some state into sessionStorage three times on the same origin, but
  // for three URLs that correspond to app1, app2, and a non-isolated site.
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ASSERT_TRUE(ExecuteScript(
      browser()->tab_strip_model()->GetWebContentsAt(0),
      "window.sessionStorage.setItem('testdata', 'ss_app1');"));

  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app2/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ASSERT_TRUE(ExecuteScript(
      browser()->tab_strip_model()->GetWebContentsAt(0),
      "window.sessionStorage.setItem('testdata', 'ss_app2');"));

  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("non_app/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ASSERT_TRUE(ExecuteScript(
      browser()->tab_strip_model()->GetWebContentsAt(0),
      "window.sessionStorage.setItem('testdata', 'ss_normal');"));

  // Now, ensure that the sessionStorage is correctly partitioned, and persists
  // when we navigate around all over the dang place.
  const std::string& kRetrieveSessionStorage =
      WrapForJavascriptAndExtract(
          "window.sessionStorage.getItem('testdata') || 'badval'");
  std::string result;
  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app1/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      browser()->tab_strip_model()->GetWebContentsAt(0),
      kRetrieveSessionStorage.c_str(), &result));
  EXPECT_EQ("ss_app1", result);

  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("app2/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      browser()->tab_strip_model()->GetWebContentsAt(0),
      kRetrieveSessionStorage.c_str(), &result));
  EXPECT_EQ("ss_app2", result);

  ui_test_utils::NavigateToURLWithDisposition(
      browser(), base_url.Resolve("non_app/main.html"),
      CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  ASSERT_TRUE(ExecuteScriptAndExtractString(
      browser()->tab_strip_model()->GetWebContentsAt(0),
      kRetrieveSessionStorage.c_str(), &result));
  EXPECT_EQ("ss_normal", result);
}
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root/chrome/browser/extensions/isolated_app_browsertest.cc

DEFINITIONS
