Chromecast: adds callback for CastService to control metrics state.

chromecast/service/cast_service_android.h

 // Copyright 2014 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 CHROMECAST_SERVICE_CAST_SERVICE_ANDROID_H_
 #define CHROMECAST_SERVICE_CAST_SERVICE_ANDROID_H_
 
 #include "base/macros.h"
 #include "chromecast/service/cast_service.h"
 
 namespace chromecast {
 
 class CastServiceAndroid : public CastService {
  public:
-  explicit CastServiceAndroid(content::BrowserContext* browser_context);
+  CastServiceAndroid(content::BrowserContext* browser_context,
+                     const OptInStatsChangedCallback& opt_in_stats_callback);
   virtual ~CastServiceAndroid();
 
  protected:
   // CastService implementation.
   virtual void Initialize() OVERRIDE;
   virtual void StartInternal() OVERRIDE;
   virtual void StopInternal() OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CastServiceAndroid);
 };
 
 }  // namespace chromecast
 
 #endif  // CHROMECAST_SERVICE_CAST_SERVICE_ANDROID_H_