Use ContextProvider subclass to provide WGC3D pointers

content/renderer/media/renderer_gpu_video_accelerator_factories.cc

 // Copyright 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/renderer/media/renderer_gpu_video_accelerator_factories.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 
 #include "base/bind.h"
@@ skipping 41 matching lines @@
 RendererGpuVideoAcceleratorFactories::RendererGpuVideoAcceleratorFactories()
     : aborted_waiter_(true, false),
       task_runner_async_waiter_(false, false) {}
 
 WebGraphicsContext3DCommandBufferImpl*
 RendererGpuVideoAcceleratorFactories::GetContext3d() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   if (!context_provider_)
     return NULL;
   WebGraphicsContext3DCommandBufferImpl* context =
-      context_provider_->Context3d();
+      static_cast<WebGraphicsContext3DCommandBufferImpl*>(
+          context_provider_->WebContext3D());
   if (context->isContextLost()) {
     context_provider_->VerifyContexts();
     context_provider_ = NULL;
     return NULL;
   }
   return context;
 }
 
 void RendererGpuVideoAcceleratorFactories::AsyncBindContext() {
   DCHECK(task_runner_->BelongsToCurrentThread());
@@ skipping 239 matching lines @@
 }
 
 void
 RendererGpuVideoAcceleratorFactories::AsyncDestroyVideoDecodeAccelerator() {
   // OK to release because Destroy() will delete the VDA instance.
   if (vda_)
     vda_.release()->Destroy();
 }
 
 }  // namespace content