Cleanup: Remove unneeded forward declarations from various chrome/browser subdirectories.

chrome/browser/webdata/autocomplete_syncable_service.h

 // Copyright (c) 2011 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 CHROME_BROWSER_WEBDATA_AUTOCOMPLETE_SYNCABLE_SERVICE_H_
 #define CHROME_BROWSER_WEBDATA_AUTOCOMPLETE_SYNCABLE_SERVICE_H_
 #pragma once
 
 #include <map>
 #include <string>
+#include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "chrome/browser/sync/api/sync_change.h"
 #include "chrome/browser/sync/api/sync_data.h"
 #include "chrome/browser/sync/api/sync_error.h"
 #include "chrome/browser/sync/api/syncable_service.h"
 #include "chrome/browser/webdata/autofill_change.h"
 #include "chrome/browser/webdata/autofill_entry.h"
 #include "chrome/browser/webdata/web_data_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class ProfileSyncServiceAutofillTest;
 
-namespace browser_sync {
-class UnrecoverableErrorHandler;
-}
-
 namespace sync_pb {
 class AutofillSpecifics;
 }
 
 
 // The sync implementation for autocomplete.
 // MergeDataAndStartSyncing() called first, it does cloud->local and
 // local->cloud syncs. Then for each cloud change we receive
 // ProcessSyncChanges() and for each local change Observe() is called.
 // TODO(georgey) : remove reliance on the notifications and make it to be called
@@ skipping 86 matching lines @@
   content::NotificationRegistrar notification_registrar_;
 
   // We receive ownership of |sync_processor_| in MergeDataAndStartSyncing() and
   // destroy it in StopSyncing().
   scoped_ptr<SyncChangeProcessor> sync_processor_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteSyncableService);
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_AUTOCOMPLETE_SYNCABLE_SERVICE_H_