Refactor sync notifier out of sync api.

chrome/browser/sync/engine/syncer_thread.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/sync/engine/syncer_thread.h"
 
 #include <algorithm>
 #include <queue>
 #include <string>
 #include <vector>
 
 #include "base/rand_util.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "build/build_config.h"
 #include "chrome/browser/sync/engine/model_safe_worker.h"
 #include "chrome/browser/sync/engine/net/server_connection_manager.h"
 #include "chrome/browser/sync/engine/syncer.h"
 #include "chrome/browser/sync/sessions/sync_session.h"
-#include "jingle/notifier/listener/notification_constants.h"
 
 #if defined(OS_MACOSX)
 #include <CoreFoundation/CFNumber.h>
 #include <IOKit/IOTypes.h>
 #include <IOKit/IOKitLib.h>
 #endif
 
 using std::priority_queue;
 using std::min;
 using base::Time;
@@ skipping 857 matching lines @@
     was_logged = true;
     VLOG(1) << "UserIdleTime unimplemented on this platform, synchronization "
                "will not throttle when user idle";
   }
 #endif
 
   return 0;
 }
 
 }  // namespace browser_sync