ServiceWorkerVersion: remove unused SendMessage method

content/browser/service_worker/service_worker_version.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 CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 148 matching lines @@
   // Schedules an update to be run 'soon'.
   void ScheduleUpdate();
 
   // If an update is scheduled but not yet started, this resets the timer
   // delaying the start time by a 'small' amount.
   void DeferScheduledUpdate();
 
   // Starts an update now.
   void StartUpdate();
 
-  // Sends an IPC message to the worker.
-  // If the worker is not running this first tries to start it by
-  // calling StartWorker internally.
-  // |callback| can be null if the sender does not need to know if the
-  // message is successfully sent or not.
-  void SendMessage(const IPC::Message& message, const StatusCallback& callback);
-
   // Sends a message event to the associated embedded worker.
   void DispatchMessageEvent(
       const base::string16& message,
       const std::vector<TransferredMessagePort>& sent_message_ports,
       const StatusCallback& callback);
 
   // Sends install event to the associated embedded worker and asynchronously
   // calls |callback| when it errors out or it gets a response from the worker
   // to notify install completion.
   // |active_version_id| must be a valid positive ID
@@ skipping 281 matching lines @@
   scoped_ptr<net::HttpResponseInfo> main_script_http_info_;
 
   base::WeakPtrFactory<ServiceWorkerVersion> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerVersion);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_