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

components/sync/driver/data_type_manager_impl.cc

 // Copyright 2014 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/data_type_manager_impl.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
-#include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "components/sync/core/data_type_debug_info_listener.h"
 #include "components/sync/driver/data_type_encryption_handler.h"
 #include "components/sync/driver/data_type_manager_observer.h"
 #include "components/sync/driver/data_type_status_table.h"
@@ skipping 660 matching lines @@
   DCHECK(!last_restart_time_.is_null());
   configure_time_delta_ += (base::Time::Now() - last_restart_time_);
 }
 
 ModelTypeSet DataTypeManagerImpl::GetEnabledTypes() const {
   return syncer::Difference(last_requested_types_,
                             data_type_status_table_.GetFailedTypes());
 }
 
 }  // namespace sync_driver