Remove unneeded WebGraphicsContext3D refs from content

content/common/gpu/client/context_provider_command_buffer.cc

Index: content/common/gpu/client/context_provider_command_buffer.cc
diff --git a/content/common/gpu/client/context_provider_command_buffer.cc b/content/common/gpu/client/context_provider_command_buffer.cc
index 359ba4d0edcb97e9327766d024f677da9793bf61..d5e82a3f7df6c88bdca60ede223a110d5d7db289 100644
--- a/content/common/gpu/client/context_provider_command_buffer.cc
+++ b/content/common/gpu/client/context_provider_command_buffer.cc
@@ -78,6 +78,15 @@ ContextProviderCommandBuffer::~ContextProviderCommandBuffer() {
   }
 }
 
+
+CommandBufferProxyImpl* ContextProviderCommandBuffer::GetCommandBufferProxy() {
+  return context3d_->GetCommandBufferProxy();
+}
+
+int ContextProviderCommandBuffer::GetGPUProcessID() {
+  return context3d_->GetGPUProcessID();
+}
+
 bool ContextProviderCommandBuffer::BindToCurrentThread() {
   // This is called on the thread the context will be used.
   DCHECK(context_thread_checker_.CalledOnValidThread());