Implement GpuArcVideoService for arc video accelerator

components/arc/arc_bridge_service_impl.cc

Index: components/arc/arc_bridge_service_impl.cc
diff --git a/components/arc/arc_bridge_service_impl.cc b/components/arc/arc_bridge_service_impl.cc
index 1ca85afc2eb8a14e1dd676a7013619d8e0f2222e..b6bd3a3b9d05614f1f321aa40bcb2101190ff6de 100644
--- a/components/arc/arc_bridge_service_impl.cc
+++ b/components/arc/arc_bridge_service_impl.cc
@@ -19,6 +19,7 @@
 #include "chromeos/dbus/dbus_method_call_status.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
+#include "ipc/ipc_channel_handle.h"
 #include "mojo/public/cpp/bindings/array.h"
 #include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
 
@@ -202,6 +203,14 @@ bool ArcBridgeServiceImpl::RequestProcessList() {
   return true;
 }
 
+// TODO(kcwu) move this to ArcBridgeService after rebased arc_bridge
+// refactoring.

[Luis Héctor Chávez, 2015/12/23 00:02:53]

This is done.

[kcwu, 2015/12/23 01:05:23]

Done.

+void ArcBridgeServiceImpl::OnVideoInstanceReady(VideoInstancePtr video_ptr) {
+  DCHECK(CalledOnValidThread());
+  video_ptr_ = std::move(video_ptr);
+  FOR_EACH_OBSERVER(Observer, observer_list(), OnVideoInstanceReady());
+}
+
 void ArcBridgeServiceImpl::OnInstanceBootPhase(InstanceBootPhase phase) {
   DCHECK(CalledOnValidThread());
   // The state can be CONNECTED the first time this is called, and will then