chrome: Use stl utilities from the base namespace

chrome/browser/browsing_data/mock_browsing_data_local_storage_helper.cc

 // Copyright (c) 2012 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 "chrome/browser/browsing_data/mock_browsing_data_local_storage_helper.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 MockBrowsingDataLocalStorageHelper::MockBrowsingDataLocalStorageHelper(
     Profile* profile)
     : BrowsingDataLocalStorageHelper(profile) {
 }
 
 MockBrowsingDataLocalStorageHelper::~MockBrowsingDataLocalStorageHelper() {
 }
 
 void MockBrowsingDataLocalStorageHelper::StartFetching(
     const FetchCallback& callback) {
   ASSERT_FALSE(callback.is_null());
   ASSERT_TRUE(callback_.is_null());
   callback_ = callback;
 }
 
 void MockBrowsingDataLocalStorageHelper::DeleteOrigin(
     const GURL& origin) {
   ASSERT_FALSE(callback_.is_null());
-  ASSERT_TRUE(ContainsKey(origins_, origin));
+  ASSERT_TRUE(base::ContainsKey(origins_, origin));
   last_deleted_origin_ = origin;
   origins_[origin] = false;
 }
 
 void MockBrowsingDataLocalStorageHelper::AddLocalStorageSamples() {
   const GURL kOrigin1("http://host1:1/");
   const GURL kOrigin2("http://host2:2/");
   response_.push_back(
       BrowsingDataLocalStorageHelper::LocalStorageInfo(
           kOrigin1, 1, base::Time()));
@@ skipping 13 matching lines @@
     pair.second = true;
 }
 
 bool MockBrowsingDataLocalStorageHelper::AllDeleted() {
   for (const auto& pair : origins_) {
     if (pair.second)
       return false;
   }
   return true;
 }