Use ContextProvider subclass to provide WGC3D pointers

content/common/gpu/client/context_provider_command_buffer.cc

 // Copyright (c) 2013 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 "content/common/gpu/client/context_provider_command_buffer.h"
 
 #include <set>
 #include <vector>
 
 #include "base/callback_helpers.h"
@@ skipping 69 matching lines @@
 
 
 CommandBufferProxyImpl* ContextProviderCommandBuffer::GetCommandBufferProxy() {
   return context3d_->GetCommandBufferProxy();
 }
 
 int ContextProviderCommandBuffer::GetGPUProcessID() {
   return context3d_->GetGPUProcessID();
 }
 
+WebGraphicsContext3DCommandBufferImpl*
+ContextProviderCommandBuffer::WebContext3D() {
+  DCHECK(context3d_);
+  DCHECK(lost_context_callback_proxy_);  // Is bound to thread.
+  DCHECK(context_thread_checker_.CalledOnValidThread());
+
+  return context3d_.get();
+}
+
 bool ContextProviderCommandBuffer::BindToCurrentThread() {
   // This is called on the thread the context will be used.
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
   if (lost_context_callback_proxy_)
     return true;
 
   if (!context3d_->makeContextCurrent())
     return false;
 
   InitializeCapabilities();
 
   std::string unique_context_name =
       base::StringPrintf("%s-%p", debug_name_.c_str(), context3d_.get());
   context3d_->pushGroupMarkerEXT(unique_context_name.c_str());
 
   lost_context_callback_proxy_.reset(new LostContextCallbackProxy(this));
   context3d_->GetCommandBufferProxy()->SetMemoryAllocationChangedCallback(
       base::Bind(&ContextProviderCommandBuffer::OnMemoryAllocationChanged,
                  base::Unretained(this)));
   return true;
 }
 
-WebGraphicsContext3DCommandBufferImpl*
-ContextProviderCommandBuffer::Context3d() {
-  DCHECK(lost_context_callback_proxy_);  // Is bound to thread.
-  DCHECK(context_thread_checker_.CalledOnValidThread());
-
-  return context3d_.get();
+blink::WebGraphicsContext3D* ContextProviderCommandBuffer::Context3d() {
+  return NULL;
 }
 
 gpu::gles2::GLES2Interface* ContextProviderCommandBuffer::ContextGL() {
   DCHECK(context3d_);
   DCHECK(lost_context_callback_proxy_);  // Is bound to thread.
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
   return context3d_->GetImplementation();
 }
 
@@ skipping 101 matching lines @@
 
 void ContextProviderCommandBuffer::SetMemoryPolicyChangedCallback(
     const MemoryPolicyChangedCallback& memory_policy_changed_callback) {
   DCHECK(context_thread_checker_.CalledOnValidThread());
   DCHECK(memory_policy_changed_callback_.is_null() ||
          memory_policy_changed_callback.is_null());
   memory_policy_changed_callback_ = memory_policy_changed_callback;
 }
 
 }  // namespace content