Refactor ArcSessionRunner part 1.

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 c2c272d8b8cfdb687d719f8d8f2499da3d669fa8..68df26a1645e6f2afeb0e768d3fc7ac88ddfab65 100644
--- a/components/arc/arc_service_manager.h
+++ b/components/arc/arc_service_manager.h
@@ -21,6 +21,7 @@ namespace arc {
 class ArcBridgeService;
 class ArcIntentHelperObserver;
 class ArcService;
+class ArcSessionRunner;
 
 // Manages creation and destruction of services that communicate with the ARC
 // instance via the ArcBridgeService.
@@ -65,10 +66,10 @@ class ArcServiceManager {
     return blocking_task_runner_;
   }
 
-  // Set ArcBridgeService instance for testing. Call before ArcServiceManager
-  // creation. ArcServiceManager owns |arc_bridge_service|.
-  static void SetArcBridgeServiceForTesting(
-      std::unique_ptr<ArcBridgeService> arc_bridge_service);
+  // Set ArcSessionRunner instance for testing. Call before ArcServiceManager
+  // creation.
+  static void SetArcSessionRunnerForTesting(
+      std::unique_ptr<ArcSessionRunner> arc_session_runner);
 
   // Returns the icon loader owned by ArcServiceManager and shared by services.
   scoped_refptr<ActivityIconLoader> icon_loader() { return icon_loader_; }