Implemented failIfMajorPerformanceCaveat WebGL context creation attribute.

webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

 // 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 "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
 
 #include <GLES2/gl2.h>
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 120 matching lines @@
 
 // static
 void WebGraphicsContext3DInProcessCommandBufferImpl::ConvertAttributes(
     const blink::WebGraphicsContext3D::Attributes& attributes,
     ::gpu::GLInProcessContextAttribs* output_attribs) {
   output_attribs->alpha_size = attributes.alpha ? 8 : 0;
   output_attribs->depth_size = attributes.depth ? 24 : 0;
   output_attribs->stencil_size = attributes.stencil ? 8 : 0;
   output_attribs->samples = attributes.antialias ? 4 : 0;
   output_attribs->sample_buffers = attributes.antialias ? 1 : 0;
+  output_attribs->fail_if_major_perf_caveat =
+      attributes.failIfMajorPerformanceCaveat ? 1 : 0;
 }
 
 bool WebGraphicsContext3DInProcessCommandBufferImpl::MaybeInitializeGL() {
   if (initialized_)
     return true;
 
   if (initialize_failed_)
     return false;
 
   // Ensure the gles2 library is initialized first in a thread safe way.
@@ skipping 1048 matching lines @@
 
 DELEGATE_TO_GL_9(asyncTexSubImage2DCHROMIUM, AsyncTexSubImage2DCHROMIUM,
     WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei,
     WGC3Denum, WGC3Denum, const void*)
 
 DELEGATE_TO_GL_1(waitAsyncTexImage2DCHROMIUM, WaitAsyncTexImage2DCHROMIUM,
     WGC3Denum)
 
 }  // namespace gpu
 }  // namespace webkit