Revert 217691 "Merge 217276 "Add media::VideoEncodeAccelerator w..."

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
===================================================================
--- content/renderer/render_thread_impl.h	(revision 218293)
+++ content/renderer/render_thread_impl.h	(working copy)
@@ -19,7 +19,7 @@
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/public/renderer/render_thread.h"
-#include "content/renderer/media/renderer_gpu_video_accelerator_factories.h"
+#include "content/renderer/media/renderer_gpu_video_decoder_factories.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ui/gfx/native_widget_types.h"
 
@@ -55,6 +55,7 @@
 
 namespace media {
 class AudioHardwareConfig;
+class GpuVideoDecoderFactories;
 }
 
 namespace v8 {
@@ -257,8 +258,9 @@
   // not sent for at least one notification delay.
   void PostponeIdleNotification();
 
-  // Gets gpu factories, which will run on |factories_loop|.
-  scoped_refptr<RendererGpuVideoAcceleratorFactories> GetGpuFactories(
+  // Gets gpu factories, which will run on |factories_loop|. Returns NULL if VDA
+  // is disabled or a graphics context cannot be obtained.
+  scoped_refptr<RendererGpuVideoDecoderFactories> GetGpuFactories(
       const scoped_refptr<base::MessageLoopProxy>& factories_loop);
 
   // Returns a graphics context shared among all