Fix gpu command buffer use after free by GrContext

gpu/blink/webgraphicscontext3d_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 "gpu/blink/webgraphicscontext3d_impl.h"
 
 #include "base/atomicops.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/gles2_lib.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/common/sync_token.h"
-#include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h"
 
 #include "third_party/khronos/GLES2/gl2.h"
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
 #include "third_party/khronos/GLES2/gl2ext.h"
 
 using blink::WGC3Dbitfield;
 using blink::WGC3Dboolean;
 using blink::WGC3Dbyte;
@@ skipping 1179 matching lines @@
 }
 
 bool WebGraphicsContext3DImpl::isContextLost() {
   return getGraphicsResetStatusARB() != GL_NO_ERROR;
 }
 
 blink::WGC3Denum WebGraphicsContext3DImpl::getGraphicsResetStatusARB() {
   return gl_->GetGraphicsResetStatusKHR();
 }
 
-GrGLInterface* WebGraphicsContext3DImpl::createGrGLInterface() {
-  return skia_bindings::CreateCommandBufferSkiaGLBinding();
-}
-
 ::gpu::gles2::GLES2ImplementationErrorMessageCallback*
     WebGraphicsContext3DImpl::getErrorMessageCallback() {
   if (!client_error_message_callback_) {
     client_error_message_callback_.reset(
         new WebGraphicsContext3DErrorMessageCallback(this));
   }
   return client_error_message_callback_.get();
 }
 
 void WebGraphicsContext3DImpl::OnErrorMessage(
@@ skipping 50 matching lines @@
       output_attribs->context_type = ::gpu::gles2::CONTEXT_TYPE_WEBGL2;
       break;
     default:
       NOTREACHED();
       output_attribs->context_type = ::gpu::gles2::CONTEXT_TYPE_OPENGLES2;
       break;
   }
 }
 
 }  // namespace gpu_blink