isContextLost     461 Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp     if (impl->isContextLost()) {
isContextLost     363 Source/core/html/HTMLCanvasElement.cpp         if (context2d->isContextLost()) {
isContextLost    1810 Source/core/html/canvas/CanvasRenderingContext2D.cpp     if (isContextLost())
isContextLost    1897 Source/core/html/canvas/CanvasRenderingContext2D.cpp     if (!buffer || isContextLost())
isContextLost     115 Source/core/html/canvas/CanvasRenderingContext2D.h     bool isContextLost() const;
isContextLost     541 Source/core/html/canvas/WebGLRenderingContextBase.cpp     ASSERT(!isContextLost());
isContextLost     731 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (m_framebufferBinding || isContextLost())
isContextLost     752 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost     801 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost     819 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost     825 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost()) {
isContextLost     866 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost     886 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost     952 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost     967 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("attachShader", program) || !validateWebGLObject("attachShader", shader))
isContextLost     979 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("bindAttribLocation", program))
isContextLost     999 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1127 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1134 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateBlendEquation("blendEquation", mode))
isContextLost    1141 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateBlendEquation("blendEquationSeparate", modeRGB) || !validateBlendEquation("blendEquationSeparate", modeAlpha))
isContextLost    1149 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateBlendFuncFactors("blendFunc", sfactor, dfactor))
isContextLost    1157 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateBlendFuncFactors("blendFuncSeparate", srcRGB, dstRGB))
isContextLost    1164 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1183 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1197 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1212 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1229 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1246 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1266 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1284 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1303 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1311 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1319 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1330 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("compileShader", shader))
isContextLost    1337 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1371 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1409 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1440 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1481 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1490 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1499 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1508 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1517 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1526 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1538 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1552 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1568 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !object)
isContextLost    1655 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1664 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1672 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1683 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("detachShader", program) || !validateWebGLObject("detachShader", shader))
isContextLost    1695 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateCapability("disable", cap))
isContextLost    1711 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1822 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateCapability("enable", cap))
isContextLost    1838 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1855 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1862 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1869 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateFramebufferFuncParameters("framebufferRenderbuffer", target, attachment))
isContextLost    1911 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateFramebufferFuncParameters("framebufferTexture2D", target, attachment))
isContextLost    1949 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1964 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    1995 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("getActiveAttrib", program))
isContextLost    2005 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("getActiveUniform", program))
isContextLost    2016 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("getAttachedShaders", program))
isContextLost    2033 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("getAttribLocation", program))
isContextLost    2050 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2071 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2095 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2135 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2156 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateFramebufferFuncParameters("getFramebufferAttachmentParameter", target, attachment))
isContextLost    2207 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2444 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("getProgramParameter", program))
isContextLost    2469 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2478 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2519 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("getShaderParameter", shader))
isContextLost    2539 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2548 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2579 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2589 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2608 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2639 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("getUniform", program))
isContextLost    2784 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("getUniformLocation", program))
isContextLost    2804 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2840 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2852 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2873 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!buffer || isContextLost())
isContextLost    2889 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateCapability("isEnabled", cap))
isContextLost    2898 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!framebuffer || isContextLost())
isContextLost    2909 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!program || isContextLost())
isContextLost    2917 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!renderbuffer || isContextLost())
isContextLost    2928 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!shader || isContextLost())
isContextLost    2936 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!texture || isContextLost())
isContextLost    2947 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    2954 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("linkProgram", program))
isContextLost    2963 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3003 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3010 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3092 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3143 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3150 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3159 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("shaderSource", shader))
isContextLost    3170 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3183 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3211 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3220 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3242 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3249 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3371 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateTexFuncData("texImage2D", level, width, height, format, type, pixels, NullAllowed)
isContextLost    3393 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !pixels || !validateTexFunc("texImage2D", NotTexSubImage2D, SourceImageData, target, level, internalformat, pixels->width(), pixels->height(), 0, format, type, 0, 0))
isContextLost    3417 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateHTMLImageElement("texImage2D", image, exceptionState))
isContextLost    3433 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateHTMLCanvasElement("texImage2D", canvas, exceptionState) || !validateTexFunc("texImage2D", NotTexSubImage2D, SourceHTMLCanvasElement, target, level, internalformat, canvas->width(), canvas->height(), 0, format, type, 0, 0))
isContextLost    3485 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateHTMLVideoElement("texImage2D", video, exceptionState)
isContextLost    3508 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    3557 Source/core/html/canvas/WebGLRenderingContextBase.cpp     ASSERT(!isContextLost());
isContextLost    3609 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateTexFuncData("texSubImage2D", level, width, height, format, type, pixels, NullNotAllowed)
isContextLost    3635 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !pixels || !validateTexFunc("texSubImage2D", TexSubImage2D, SourceImageData, target, level, format,  pixels->width(), pixels->height(), 0, format, type, xoffset, yoffset))
isContextLost    3660 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateHTMLImageElement("texSubImage2D", image, exceptionState))
isContextLost    3676 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateHTMLCanvasElement("texSubImage2D", canvas, exceptionState)
isContextLost    3690 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateHTMLVideoElement("texSubImage2D", video, exceptionState)
isContextLost    3702 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !location)
isContextLost    3715 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform1fv", location, v, 1))
isContextLost    3723 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform1fv", location, v, size, 1))
isContextLost    3731 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !location)
isContextLost    3744 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform1iv", location, v, 1))
isContextLost    3752 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform1iv", location, v, size, 1))
isContextLost    3760 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !location)
isContextLost    3773 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform2fv", location, v, 2))
isContextLost    3781 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform2fv", location, v, size, 2))
isContextLost    3789 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !location)
isContextLost    3802 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform2iv", location, v, 2))
isContextLost    3810 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform2iv", location, v, size, 2))
isContextLost    3818 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !location)
isContextLost    3831 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform3fv", location, v, 3))
isContextLost    3839 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform3fv", location, v, size, 3))
isContextLost    3847 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !location)
isContextLost    3860 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform3iv", location, v, 3))
isContextLost    3868 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform3iv", location, v, size, 3))
isContextLost    3876 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !location)
isContextLost    3889 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform4fv", location, v, 4))
isContextLost    3897 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform4fv", location, v, size, 4))
isContextLost    3905 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !location)
isContextLost    3918 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform4iv", location, v, 4))
isContextLost    3926 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformParameters("uniform4iv", location, v, size, 4))
isContextLost    3934 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformMatrixParameters("uniformMatrix2fv", location, transpose, v, 4))
isContextLost    3941 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformMatrixParameters("uniformMatrix2fv", location, transpose, v, size, 4))
isContextLost    3948 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformMatrixParameters("uniformMatrix3fv", location, transpose, v, 9))
isContextLost    3955 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformMatrixParameters("uniformMatrix3fv", location, transpose, v, size, 9))
isContextLost    3962 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformMatrixParameters("uniformMatrix4fv", location, transpose, v, 16))
isContextLost    3969 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateUniformMatrixParameters("uniformMatrix4fv", location, transpose, v, size, 16))
isContextLost    3997 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateWebGLObject("validateProgram", program))
isContextLost    4064 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    4107 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    4121 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    4130 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost()) {
isContextLost    4140 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    4187 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost()) {
isContextLost    4221 Source/core/html/canvas/WebGLRenderingContextBase.cpp     ASSERT(!isContextLost());
isContextLost    4232 Source/core/html/canvas/WebGLRenderingContextBase.cpp     ASSERT(!isContextLost());
isContextLost    4251 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost()) {
isContextLost    4260 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost    4272 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost    4283 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost    4291 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost    4299 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost    4307 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost    4329 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost    5164 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateDrawMode(functionName, mode))
isContextLost    5195 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateDrawMode(functionName, mode))
isContextLost    5264 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    5294 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    5305 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    5352 Source/core/html/canvas/WebGLRenderingContextBase.cpp     ASSERT(isContextLost());
isContextLost    5487 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!isContextLost())
isContextLost    5521 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost())
isContextLost    5537 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !extensionEnabled(WebGLDrawBuffersName))
isContextLost    5549 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !extensionEnabled(WebGLDrawBuffersName))
isContextLost     208 Source/core/html/canvas/WebGLRenderingContextBase.h     bool isContextLost();
isContextLost     300 Source/platform/graphics/Canvas2DLayerBridge.cpp     if (m_contextProvider->context3d()->isContextLost() || !m_isSurfaceValid)
isContextLost     337 Source/platform/graphics/Canvas2DLayerBridge.cpp     if (m_contextProvider->context3d()->isContextLost()) {
isContextLost     363 Source/platform/graphics/Canvas2DLayerBridge.cpp     if (sharedContext && !sharedContext->isContextLost()) {
isContextLost      51 Source/platform/graphics/test/MockWebGraphicsContext3D.h     virtual bool isContextLost() { return false; }
isContextLost     184 public/platform/WebGraphicsContext3D.h     virtual bool isContextLost() = 0;