Remove CompositorThread dependency on WebThread

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 44e58f5487dd9b546ecff4591258efe5789be19f..1039c6b090d9ffd233e8743af8ad69d221d114d0 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2783,11 +2783,13 @@ WebMediaPlayer* RenderViewImpl::createMediaPlayer(
   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);