chrome: Use stl utilities from the base namespace

chrome/browser/browsing_data/mock_browsing_data_file_system_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_file_system_helper.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 MockBrowsingDataFileSystemHelper::MockBrowsingDataFileSystemHelper(
     Profile* profile) {
 }
 
 MockBrowsingDataFileSystemHelper::~MockBrowsingDataFileSystemHelper() {
 }
 
 void MockBrowsingDataFileSystemHelper::StartFetching(
     const FetchCallback& callback) {
   ASSERT_FALSE(callback.is_null());
   ASSERT_TRUE(callback_.is_null());
   callback_ = callback;
 }
 
 void MockBrowsingDataFileSystemHelper::DeleteFileSystemOrigin(
     const GURL& origin) {
   ASSERT_FALSE(callback_.is_null());
   std::string key = origin.spec();
-  ASSERT_TRUE(ContainsKey(file_systems_, key));
+  ASSERT_TRUE(base::ContainsKey(file_systems_, key));
   last_deleted_origin_ = origin;
   file_systems_[key] = false;
 }
 
 void MockBrowsingDataFileSystemHelper::AddFileSystem(
     const GURL& origin, bool has_persistent, bool has_temporary,
     bool has_syncable, int64_t size_persistent, int64_t size_temporary,
     int64_t size_syncable) {
   BrowsingDataFileSystemHelper::FileSystemInfo info(origin);
   if (has_persistent)
@@ skipping 21 matching lines @@
     pair.second = true;
 }
 
 bool MockBrowsingDataFileSystemHelper::AllDeleted() {
   for (const auto& pair : file_systems_) {
     if (pair.second)
       return false;
   }
   return true;
 }