Revert "Implement GpuArcVideoService for arc video accelerator"

content/browser/gpu/gpu_process_host.h

Index: content/browser/gpu/gpu_process_host.h
diff --git a/content/browser/gpu/gpu_process_host.h b/content/browser/gpu/gpu_process_host.h
index c3ce718d281cfe753318a60921a3fcce8c20dc55..9b7c1ab3015e345633512d83fd8041a1b823e797 100644
--- a/content/browser/gpu/gpu_process_host.h
+++ b/content/browser/gpu/gpu_process_host.h
@@ -74,11 +74,6 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
   typedef base::Callback<void(const gfx::GpuMemoryBufferHandle& handle)>
       CreateGpuMemoryBufferCallback;
 
-#if defined(OS_CHROMEOS)
-  typedef base::Callback<void(const IPC::ChannelHandle&)>
-      CreateArcVideoAcceleratorChannelCallback;
-#endif
-
   static bool gpu_enabled() { return gpu_enabled_; }
   static int gpu_crash_count() { return gpu_crash_count_; }
 
@@ -158,13 +153,6 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
                               int client_id,
                               const gpu::SyncToken& sync_token);
 
-#if defined(OS_CHROMEOS)
-  // Tells the GPU process to create a new ipc channel for
-  // ArcVideoAccelerator.
-  void CreateArcVideoAcceleratorChannel(
-      const CreateArcVideoAcceleratorChannelCallback& callback);
-#endif
-
   // What kind of GPU process, e.g. sandboxed or unsandboxed.
   GpuProcessKind kind();
 
@@ -207,7 +195,6 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
   void OnChannelEstablished(const IPC::ChannelHandle& channel_handle);
   void OnCommandBufferCreated(CreateCommandBufferResult result);
   void OnGpuMemoryBufferCreated(const gfx::GpuMemoryBufferHandle& handle);
-  void OnArcVideoAcceleratorChannelCreated(const IPC::ChannelHandle& handle);
   void OnDidCreateOffscreenContext(const GURL& url);
   void OnDidLoseContext(bool offscreen,
                         gpu::error::ContextLostReason reason,
@@ -254,13 +241,6 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
   // The pending create gpu memory buffer requests we need to reply to.
   std::queue<CreateGpuMemoryBufferCallback> create_gpu_memory_buffer_requests_;
 
-#if defined(OS_CHROMEOS)
-  // The pending create arc video accelerator channel requests we need to reply
-  // to.
-  std::queue<CreateArcVideoAcceleratorChannelCallback>
-      create_arc_video_accelerator_channel_requests_;
-#endif
-
   // Qeueud messages to send when the process launches.
   std::queue<IPC::Message*> queued_messages_;