chrome: Use stl utilities from the base namespace

chrome/browser/browsing_data/mock_browsing_data_service_worker_helper.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 "chrome/browser/browsing_data/mock_browsing_data_service_worker_helper.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/logging.h"
@@ skipping 16 matching lines @@
 void MockBrowsingDataServiceWorkerHelper::StartFetching(
     const FetchCallback& callback) {
   ASSERT_FALSE(callback.is_null());
   ASSERT_TRUE(callback_.is_null());
   callback_ = callback;
 }
 
 void MockBrowsingDataServiceWorkerHelper::DeleteServiceWorkers(
     const GURL& origin) {
   ASSERT_FALSE(callback_.is_null());
-  ASSERT_TRUE(ContainsKey(origins_, origin));
+  ASSERT_TRUE(base::ContainsKey(origins_, origin));
   origins_[origin] = false;
 }
 
 void MockBrowsingDataServiceWorkerHelper::AddServiceWorkerSamples() {
   const GURL kOrigin1("https://swhost1:1/");
   std::vector<GURL> scopes1;
   scopes1.push_back(GURL("https://swhost1:1/app1/*"));
   scopes1.push_back(GURL("https://swhost1:1/app2/*"));
   const GURL kOrigin2("https://swhost2:2/");
   std::vector<GURL> scopes2;
@@ skipping 19 matching lines @@
     pair.second = true;
 }
 
 bool MockBrowsingDataServiceWorkerHelper::AllDeleted() {
   for (const auto& pair : origins_) {
     if (pair.second)
       return false;
   }
   return true;
 }