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 d5485b4d41f62c8b0abb9cb889e46a407c0a9455..4a54769797c46a24d928a85426a1d919d93129e0 100644
--- a/components/arc/arc_bridge_service_impl.cc
+++ b/components/arc/arc_bridge_service_impl.cc
@@ -17,6 +17,7 @@
 #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"
 
@@ -179,6 +180,29 @@ bool ArcBridgeServiceImpl::RequestProcessList() {
   return true;
 }
 
+void ArcBridgeServiceImpl::NotifyVideoAcceleratorChannelCreated(
+    const IPC::ChannelHandle& handle) {
+  DCHECK(CalledOnValidThread());
+  if (state() != State::READY) {
+    LOG(ERROR) << "Called NotifyVideoAcceleratorChannelCreated when the "
+                  "service is not ready";
+    return;
+  }
+  // TODO revisit before commit:
+  // can mojo create wrapper for invalid handle?
+  MojoHandle wrapped_handle;
+  MojoResult wrap_result = mojo::embedder::CreatePlatformHandleWrapper(
+      mojo::embedder::ScopedPlatformHandle(
+          mojo::embedder::PlatformHandle(handle.socket.fd)),
+      &wrapped_handle);
+  if (wrap_result != MOJO_RESULT_OK) {
+    LOG(WARNING) << "Pipe failed to wrap handles. Closing: " << wrap_result;
+    return;
+  }
+  instance_ptr_->NotifyVideoAcceleratorChannelCreated(
+      mojo::ScopedHandle(mojo::Handle(wrapped_handle)));
+}
+
 void ArcBridgeServiceImpl::OnInstanceBootPhase(InstanceBootPhase phase) {
   DCHECK(CalledOnValidThread());
   // The state can be CONNECTED the first time this is called, and will then
@@ -245,6 +269,16 @@ void ArcBridgeServiceImpl::OnReleaseDisplayWakeLock(DisplayWakeLockType type) {
   VLOG(1) << "OnReleaseDisplayWakeLock";
 }
 
+void ArcBridgeServiceImpl::OnRequestArcVideoAcceleratorChannel() {
+  DCHECK(CalledOnValidThread());
+  if (!video_service()) {
+    LOG(ERROR) << "Got OnRequestArcVideoAcceleratorChannel"
+                  " but video service is not registered";
+    return;
+  }
+  video_service()->OnRequestArcVideoAcceleratorChannel();
+}
+
 void ArcBridgeServiceImpl::OnArcAvailable(bool arc_available) {
   DCHECK(CalledOnValidThread());
   if (available() == arc_available)