chromeos: Add ArcInputBridge to components/arc

components/arc/arc_service_manager.h

Index: components/arc/arc_service_manager.h
diff --git a/components/arc/arc_service_manager.h b/components/arc/arc_service_manager.h
index f86d6bed02db7592bece8c0221c20d294a3ed937..915b42a4d4e0a2e32266b6132166d2421e484c70 100644
--- a/components/arc/arc_service_manager.h
+++ b/components/arc/arc_service_manager.h
@@ -19,6 +19,7 @@ class SingleThreadTaskRunner;
 namespace arc {
 
 class ArcBridgeService;
+class ArcInputBridge;
 
 // Manages creation and destruction of services that communicate with the ARC
 // instance via the ArcBridgeService.
@@ -38,8 +39,11 @@ class ArcServiceManager {
   static ArcServiceManager* Get();
 
  private:
-  scoped_refptr<base::SequencedTaskRunner> origin_task_runner_;
+  // The arc bridge service should be destroyed last.
   scoped_ptr<ArcBridgeService> arc_bridge_service_;
+  scoped_ptr<ArcInputBridge> arc_input_bridge_;
+
+  scoped_refptr<base::SequencedTaskRunner> origin_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcServiceManager);
 };