Cleanup: Remove unneeded includes of pref_names.h

chrome/browser/sync/profile_sync_service_harness.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/profile_sync_service_harness.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/message_loop.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/net/gaia/token_service.h"
 #include "chrome/browser/sync/glue/sync_backend_host.h"
 #include "chrome/browser/sync/sessions/session_state.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/net/gaia/gaia_constants.h"
 #include "chrome/common/net/gaia/google_service_auth_error.h"
 #include "chrome/common/notification_source.h"
-#include "chrome/common/pref_names.h"
 
 // The default value for min_timestamp_needed_ when we're not in the
 // WAITING_FOR_UPDATES state.
 static const int kMinTimestampNeededNone = -1;
 
 // The amount of time for which we wait for a live sync operation to complete.
 static const int kLiveSyncOperationTimeoutMs = 30000;
 
 // Simple class to implement a timeout using PostDelayedTask.  If it is not
 // aborted before picked up by a message queue, then it asserts with the message
@@ skipping 562 matching lines @@
               << ", service_is_pushing_changes: " << ServiceIsPushingChanges();
     } else {
       VLOG(1) << "Client " << id_ << ": " << message
               << ": Sync session snapshot not available.";
     }
   } else {
     VLOG(1) << "Client " << id_ << ": " << message
             << ": Sync service not available.";
   }
 }