Implement GpuArcVideoService for arc video accelerator

content/common/gpu/gpu_channel_manager.cc

Index: content/common/gpu/gpu_channel_manager.cc
diff --git a/content/common/gpu/gpu_channel_manager.cc b/content/common/gpu/gpu_channel_manager.cc
index 60dbd9c2a58bdc7d1ba705bb8de4a1b6ee78ac24..cad870c58a3c71e5c6e1146436ad2adfd89fc693 100644
--- a/content/common/gpu/gpu_channel_manager.cc
+++ b/content/common/gpu/gpu_channel_manager.cc
@@ -15,6 +15,7 @@
 #include "content/common/gpu/gpu_memory_buffer_factory.h"
 #include "content/common/gpu/gpu_memory_manager.h"
 #include "content/common/gpu/gpu_messages.h"
+#include "content/common/gpu/media/gpu_arc_video_service.h"
 #include "content/common/message_router.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/common/value_state.h"
@@ -135,6 +136,8 @@ bool GpuChannelManager::OnControlMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(GpuMsg_CreateViewCommandBuffer,
                         OnCreateViewCommandBuffer)
     IPC_MESSAGE_HANDLER(GpuMsg_DestroyGpuMemoryBuffer, OnDestroyGpuMemoryBuffer)
+    IPC_MESSAGE_HANDLER(GpuMsg_CreateArcVideoAcceleratorChannel,
+                        OnCreateArcVideoAcceleratorChannel)
     IPC_MESSAGE_HANDLER(GpuMsg_LoadedShader, OnLoadedShader)
     IPC_MESSAGE_HANDLER(GpuMsg_UpdateValueState, OnUpdateValueState)
 #if defined(OS_ANDROID)
@@ -244,6 +247,27 @@ void GpuChannelManager::OnDestroyGpuMemoryBuffer(
   DestroyGpuMemoryBuffer(id, client_id);
 }
 
+void GpuChannelManager::OnCreateArcVideoAcceleratorChannel() {
+  if (!arc_video_service_) {
+    arc_video_service_.reset(
+        new GpuArcVideoService(shutdown_event_, io_task_runner_));
+    arc_video_service_->Initialize();
+  }
+
+  arc_video_service_->CreateChannel(
+      base::Bind(&GpuChannelManager::ArcVideoAcceleratorChannelCreated,
+                 weak_factory_.GetWeakPtr()));
+}
+
+void GpuChannelManager::ArcVideoAcceleratorChannelCreated(
+    const IPC::ChannelHandle& handle) {
+  Send(new GpuHostMsg_ArcVideoAcceleratorChannelCreated(handle));
+}
+
+void GpuChannelManager::OnShutdownArcVideoService() {
+  arc_video_service_.reset();
+}
+
 void GpuChannelManager::OnUpdateValueState(
     int client_id, unsigned int target, const gpu::ValueState& state) {
   // Only pass updated state to the channel corresponding to the