Merge 92520 - [chromium] Accelerated canvas breaks when moving canvases or resources between Pages

Source/WebKit/chromium/public/WebGraphicsContext3D.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 149 matching lines @@
     virtual void synthesizeGLError(WGC3Denum) = 0;
 
     virtual bool isContextLost() = 0;
 
     // GL_CHROMIUM_map_sub
     virtual void* mapBufferSubDataCHROMIUM(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, WGC3Denum access) = 0;
     virtual void unmapBufferSubDataCHROMIUM(const void*) = 0;
     virtual void* mapTexSubImage2DCHROMIUM(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, WGC3Denum access) = 0;
     virtual void unmapTexSubImage2DCHROMIUM(const void*) = 0;
 
-    // GL_CHROMIUM_copy_texture_to_parent_texture
-    virtual void copyTextureToParentTextureCHROMIUM(WebGLId texture, WebGLId parentTexture) = 0;
-
     // GL_CHROMIUM_request_extension
     virtual WebString getRequestableExtensionsCHROMIUM() = 0;
     virtual void requestExtensionCHROMIUM(const char*) = 0;
 
     // GL_CHROMIUM_framebuffer_multisample
     virtual void blitFramebufferCHROMIUM(WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, WGC3Dbitfield mask, WGC3Denum filter) = 0;
     virtual void renderbufferStorageMultisampleCHROMIUM(WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) = 0;
 
     // GL_CHROMIUM_swapbuffers_complete_callback
     virtual void setSwapBuffersCompleteCallbackCHROMIUM(WebGraphicsSwapBuffersCompleteCallbackCHROMIUM* callback) { }
@@ skipping 171 matching lines @@
     //
     // This entry point must provide slightly different semantics than
     // the GL_ARB_robustness extension; specifically, the lost context
     // state is sticky, rather than reported only once.
     virtual WGC3Denum getGraphicsResetStatusARB() { return 0; /* GL_NO_ERROR */ }
 };
 
 } // namespace WebKit
 
 #endif