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 4dd10273396ee5a9e9f562f335dd1b189267ad39..e478f599e210cdd66c88d44421b5960310e3a37e 100644
--- a/content/common/gpu/gpu_channel_manager.cc
+++ b/content/common/gpu/gpu_channel_manager.cc
@@ -30,6 +30,10 @@
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_share_group.h"
 
+#if defined(OS_CHROMEOS)
+#include "content/common/gpu/media/gpu_arc_video_service.h"
+#endif
+
 namespace content {
 
 namespace {
@@ -137,6 +141,10 @@ bool GpuChannelManager::OnControlMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(GpuMsg_CreateViewCommandBuffer,
                         OnCreateViewCommandBuffer)
     IPC_MESSAGE_HANDLER(GpuMsg_DestroyGpuMemoryBuffer, OnDestroyGpuMemoryBuffer)
+#if defined(OS_CHROMEOS)
+    IPC_MESSAGE_HANDLER(GpuMsg_CreateArcVideoAcceleratorChannel,
+                        OnCreateArcVideoAcceleratorChannel)
+#endif
     IPC_MESSAGE_HANDLER(GpuMsg_LoadedShader, OnLoadedShader)
     IPC_MESSAGE_HANDLER(GpuMsg_UpdateValueState, OnUpdateValueState)
 #if defined(OS_ANDROID)
@@ -246,6 +254,28 @@ void GpuChannelManager::OnDestroyGpuMemoryBuffer(
   DestroyGpuMemoryBuffer(id, client_id);
 }
 
+#if defined(OS_CHROMEOS)
+void GpuChannelManager::OnCreateArcVideoAcceleratorChannel() {
+  if (!gpu_arc_video_service_) {
+    gpu_arc_video_service_.reset(
+        new GpuArcVideoService(shutdown_event_, io_task_runner_));
+  }
+
+  gpu_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() {
+  gpu_arc_video_service_.reset();
+}
+#endif
+
 void GpuChannelManager::OnUpdateValueState(
     int client_id, unsigned int target, const gpu::ValueState& state) {
   // Only pass updated state to the channel corresponding to the