Link GCM heartbeat with wake on wifi preference

google_apis/gcm/engine/mcs_client.h

 // Copyright 2013 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 GOOGLE_APIS_GCM_ENGINE_MCS_CLIENT_H_
 #define GOOGLE_APIS_GCM_ENGINE_MCS_CLIENT_H_
 
 #include <deque>
 #include <map>
 #include <string>
@@ skipping 86 matching lines @@
            MessageSendStatus status)> OnMessageSentCallback;
 
   MCSClient(const std::string& version_string,
             base::Clock* clock,
             ConnectionFactory* connection_factory,
             GCMStore* gcm_store,
             GCMStatsRecorder* recorder,
             scoped_ptr<base::Timer> heartbeat_timer);
   virtual ~MCSClient();
 
+  HeartbeatManager* heartbeat_manager() {
+    return &heartbeat_manager_;
+  }
+
   // Initialize the client. Will load any previous id/token information as well
   // as unacknowledged message information from the GCM storage, if it exists,
   // passing the id/token information back via |initialization_callback| along
   // with a |success == true| result. If no GCM information is present (and
   // this is therefore a fresh client), a clean GCM store will be created and
   // values of 0 will be returned via |initialization_callback| with
   // |success == true|.
   /// If an error loading the GCM store is encountered,
   // |initialization_callback| will be invoked with |success == false|.
   void Initialize(const ErrorCallback& initialization_callback,
@@ skipping 164 matching lines @@
   GCMStatsRecorder* recorder_;
 
   base::WeakPtrFactory<MCSClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MCSClient);
 };
 
 } // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_ENGINE_MCS_CLIENT_H_