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

components/sync/driver/data_type_controller.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_controller.h"
 
 #include "components/sync/base/data_type_histogram.h"
-#include "components/sync/base/model_type.h"
 #include "components/sync/core/user_share.h"
 
 namespace sync_driver {
 
 DataTypeController::DataTypeController(syncer::ModelType type,
                                        const base::Closure& dump_stack)
     : dump_stack_(dump_stack), type_(type) {}
 
 DataTypeController::~DataTypeController() {}
 
 bool DataTypeController::IsUnrecoverableResult(ConfigureResult result) {
   return (result == UNRECOVERABLE_ERROR);
 }
 
 bool DataTypeController::IsSuccessfulResult(ConfigureResult result) {
   return (result == OK || result == OK_FIRST_RUN);
 }
 
 bool DataTypeController::ReadyForStart() const {
   return true;
 }
 
 bool DataTypeController::CalledOnValidThread() const {
   return thread_checker_.CalledOnValidThread();
 }
 
 }  // namespace sync_driver