Revert 244383 "Use ContextProvider subclass to provide WGC3D poi..."

trunk/src/webkit/common/gpu/webgraphicscontext3d_provider_impl.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 "webkit/common/gpu/webgraphicscontext3d_provider_impl.h"
 
 #include "cc/output/context_provider.h"
 
 namespace webkit {
 namespace gpu {
 
 WebGraphicsContext3DProviderImpl::WebGraphicsContext3DProviderImpl(
     scoped_refptr<cc::ContextProvider> provider)
     : provider_(provider) {}
 
 WebGraphicsContext3DProviderImpl::~WebGraphicsContext3DProviderImpl() {}
 
 blink::WebGraphicsContext3D* WebGraphicsContext3DProviderImpl::context3d() {
   return provider_->Context3d();
 }
 
 GrContext* WebGraphicsContext3DProviderImpl::grContext() {
   return provider_->GrContext();
 }
 
 }  // namespace gpu
 }  // namespace webkit