Implement GpuArcVideoService for arc video accelerator

components/arc/arc_bridge_service_impl.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_ARC_ARC_BRIDGE_SERVICE_IMPL_H_
 #define COMPONENTS_ARC_ARC_BRIDGE_SERVICE_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 45 matching lines @@
                  const std::string& activity) override;
 
   // Requests to load an icon of specific scale_factor.
   bool RequestAppIcon(const std::string& package,
                       const std::string& activity,
                       ScaleFactor scale_factor) override;
 
   // Requests ARC process list.
   bool RequestProcessList() override;
 
+  // ArcBridgeHost:
+  void OnVideoInstanceReady(VideoInstancePtr video_ptr) override;
+
+  VideoInstance* video_instance() override { return video_ptr_.get(); }
+
  private:
   friend class ArcBridgeTest;
   FRIEND_TEST_ALL_PREFIXES(ArcBridgeTest, Basic);
   FRIEND_TEST_ALL_PREFIXES(ArcBridgeTest, Prerequisites);
   FRIEND_TEST_ALL_PREFIXES(ArcBridgeTest, ShutdownMidStartup);
 
   // If all pre-requisites are true (ARC is available, it has been enabled, and
   // the session has started), and ARC is stopped, start ARC. If ARC is running
   // and the pre-requisites stop being true, stop ARC.
   void PrerequisitesChanged();
@@ skipping 30 matching lines @@
   void OnStopped() override;
 
   // DBus callbacks.
   void OnArcAvailable(bool available);
 
   scoped_ptr<ArcBridgeBootstrap> bootstrap_;
 
   // Mojo endpoints.
   mojo::Binding<ArcBridgeHost> binding_;
   ArcBridgeInstancePtr instance_ptr_;
+  VideoInstancePtr video_ptr_;
 
   // If the user's session has started.
   bool session_started_;
 
   // WeakPtrFactory to use callbacks.
   base::WeakPtrFactory<ArcBridgeServiceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcBridgeServiceImpl);
 };
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_ARC_BRIDGE_SERVICE_IMPL_H_