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

components/sync/test/engine/single_type_mock_server.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/test/engine/single_type_mock_server.h"
 
-#include <stddef.h>
-#include <stdint.h>
-
 #include "components/sync/base/time.h"
 
 using google::protobuf::RepeatedPtrField;
 
 namespace syncer {
 
 SingleTypeMockServer::SingleTypeMockServer(syncer::ModelType type)
     : type_(type), type_root_id_(ModelTypeToRootTag(type)) {}
 
 SingleTypeMockServer::~SingleTypeMockServer() {}
@@ skipping 150 matching lines @@
     return it->second;
   }
 }
 
 void SingleTypeMockServer::SetServerVersion(const std::string& tag_hash,
                                             int64_t version) {
   server_versions_[tag_hash] = version;
 }
 
 }  // namespace syncer