Reduce FakeArcBridgeService usage.

components/arc/arc_bridge_service.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_H_
 #define COMPONENTS_ARC_ARC_BRIDGE_SERVICE_H_
 
 #include <iosfwd>
 #include <string>
 #include <vector>
@@ skipping 70 matching lines @@
   class Observer {
    public:
     // Called whenever the state of the bridge has changed.
     virtual void OnBridgeReady() {}
     virtual void OnBridgeStopped(StopReason reason) {}
 
    protected:
     virtual ~Observer() {}
   };
 
+  ArcBridgeService();
   virtual ~ArcBridgeService();
 
   // Return true if ARC has been enabled through a commandline
   // switch.
   static bool GetEnabled(const base::CommandLine* command_line);
 
   // Return true if ARC is available on the current board.
   static bool GetAvailable(const base::CommandLine* command_line);
 
   // HandleStartup() should be called upon profile startup.  This will only
   // launch an instance if the instance is enabled.
   // This can only be called on the thread that this class was created on.
 
   // Starts the ARC service, then it will connect the Mojo channel. When the
   // bridge becomes ready, OnBridgeReady() is called.
-  virtual void RequestStart() = 0;
+  virtual void RequestStart();
 
   // Stops the ARC service.
-  virtual void RequestStop() = 0;
+  virtual void RequestStop();
 
   // OnShutdown() should be called when the browser is shutting down. This can
   // only be called on the thread that this class was created on. We assume that
   // when this function is called, MessageLoop is no longer exists.
-  virtual void OnShutdown() = 0;
+  virtual void OnShutdown();
 
   // Adds or removes observers. This can only be called on the thread that this
   // class was created on. RemoveObserver does nothing if |observer| is not in
   // the list.
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   InstanceHolder<mojom::AppInstance>* app() { return &app_; }
   InstanceHolder<mojom::AudioInstance>* audio() { return &audio_; }
   InstanceHolder<mojom::AuthInstance>* auth() { return &auth_; }
@@ skipping 71 matching lines @@
     CONNECTED,
 
     // The ARC instance has finished initializing and is now ready for user
     // interaction.
     READY,
 
     // The ARC instance has started shutting down.
     STOPPING,
   };
 
-  ArcBridgeService();
-
   // Instance holders.
   InstanceHolder<mojom::AppInstance> app_;
   InstanceHolder<mojom::AudioInstance> audio_;
   InstanceHolder<mojom::AuthInstance> auth_;
   InstanceHolder<mojom::BluetoothInstance> bluetooth_;
   InstanceHolder<mojom::BootPhaseMonitorInstance> boot_phase_monitor_;
   InstanceHolder<mojom::ClipboardInstance> clipboard_;
   InstanceHolder<mojom::CrashCollectorInstance> crash_collector_;
   InstanceHolder<mojom::EnterpriseReportingInstance> enterprise_reporting_;
   InstanceHolder<mojom::FileSystemInstance> file_system_;
@@ skipping 53 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(ArcBridgeService);
 };
 
 // Defines "<<" operator for LOGging purpose.
 std::ostream& operator<<(
     std::ostream& os, ArcBridgeService::StopReason reason);
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_ARC_BRIDGE_SERVICE_H_