Remove CompositorThread dependency on WebThread

content/renderer/render_view_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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 2765 matching lines @@
       sink = device;
       DVLOG(1) << "Using AudioDeviceFactory-provided sink: " << sink;
     }
   }
 
   scoped_refptr<media::GpuVideoDecoder::Factories> gpu_factories;
   WebGraphicsContext3DCommandBufferImpl* context3d = NULL;
   if (!cmd_line->HasSwitch(switches::kDisableAcceleratedVideoDecode))
     context3d = RenderThreadImpl::current()->GetGpuVDAContext3D();
   if (context3d) {
-    scoped_refptr<base::MessageLoopProxy> factories_loop =
-        RenderThreadImpl::current()->compositor_thread() ?
-        RenderThreadImpl::current()->compositor_thread()->GetWebThread()
-            ->message_loop()->message_loop_proxy() :
-        base::MessageLoopProxy::current();
+    scoped_refptr<base::MessageLoopProxy> factories_loop;
+    CompositorThread* compositor_thread =
+        RenderThreadImpl::current()->compositor_thread();
+    if (compositor_thread)
+      factories_loop = compositor_thread->message_loop_proxy();
+    else
+      factories_loop = base::MessageLoopProxy::current();
     GpuChannelHost* gpu_channel_host =
         RenderThreadImpl::current()->EstablishGpuChannelSync(
             CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
     gpu_factories = new RendererGpuVideoDecoderFactories(
         gpu_channel_host, factories_loop, context3d);
   }
 
   webkit_media::WebMediaPlayerParams params(
       sink, gpu_factories, new RenderMediaLog());
   WebMediaPlayer* media_player =
@@ skipping 3953 matching lines @@
   TransportDIB* dib = TransportDIB::CreateWithHandle(dib_handle);
   RenderProcess::current()->ReleaseTransportDIB(dib);
 }
 
 void RenderViewImpl::DidCommitCompositorFrame() {
   RenderWidget::DidCommitCompositorFrame();
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
 }
 
 }  // namespace content