[Sync] Removing duplicated includes between cc and h files.

components/sync/driver/glue/sync_backend_host_core.cc

 // 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.
 
 #include "components/sync/driver/glue/sync_backend_host_core.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
 #include "components/data_use_measurement/core/data_use_user_data.h"
 #include "components/invalidation/public/invalidation_util.h"
 #include "components/invalidation/public/object_id_invalidation_map.h"
 #include "components/sync/core/http_post_provider_factory.h"
 #include "components/sync/core/internal_components_factory.h"
 #include "components/sync/core/sync_manager.h"
 #include "components/sync/core/sync_manager_factory.h"
 #include "components/sync/device_info/local_device_info_provider_impl.h"
 #include "components/sync/driver/glue/sync_backend_registrar.h"
 #include "components/sync/driver/invalidation_adapter.h"
 #include "components/sync/engine/cycle/commit_counters.h"
 #include "components/sync/engine/cycle/status_counters.h"
 #include "components/sync/engine/cycle/sync_cycle_snapshot.h"
 #include "components/sync/engine/cycle/update_counters.h"
 #include "components/sync/engine/events/protocol_event.h"
-#include "url/gurl.h"
 
 // Helper macros to log with the syncer thread name; useful when there
 // are multiple syncers involved.
 
 #define SLOG(severity) LOG(severity) << name_ << ": "
 
 #define SDVLOG(verbose_level) DVLOG(verbose_level) << name_ << ": "
 
 static const int kSaveChangesIntervalSeconds = 10;
 
@@ skipping 655 matching lines @@
 }
 
 void SyncBackendHostCore::ClearServerDataDone(
     const base::Closure& frontend_callback) {
   DCHECK(sync_loop_->task_runner()->BelongsToCurrentThread());
   host_.Call(FROM_HERE, &SyncBackendHostImpl::ClearServerDataDoneOnFrontendLoop,
              frontend_callback);
 }
 
 }  // namespace browser_sync