libaddressinput - reduce number of copies in storage class by 2

third_party/libaddressinput/chromium/cpp/test/fake_storage.cc

 // Copyright (C) 2013 Google Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 // http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include "fake_storage.h"
 
 #include <map>
 #include <string>
 
 namespace i18n {
 namespace addressinput {
 
 FakeStorage::FakeStorage() {}
 
 FakeStorage::~FakeStorage() {}
 
-void FakeStorage::Put(const std::string& key, const std::string& data) {
-  data_[key] = data;
+void FakeStorage::Put(const std::string& key, scoped_ptr<std::string> data) {
+  data_[key] = *data;
 }
 
 void FakeStorage::Get(const std::string& key,
                       scoped_ptr<Callback> data_ready) const {
   std::map<std::string, std::string>::const_iterator data_it = data_.find(key);
   bool success = data_it != data_.end();
   std::string data = success ? data_it->second : std::string();
   (*data_ready)(success, key, data);
 }
 
 }  // namespace addressinput
 }  // namespace i18n