chrome: Use stl utilities from the base namespace

chrome/test/base/ui_test_utils.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/test/base/ui_test_utils.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 79 matching lines @@
 namespace ui_test_utils {
 
 namespace {
 
 Browser* WaitForBrowserNotInSet(std::set<Browser*> excluded_browsers) {
   Browser* new_browser = GetBrowserNotInSet(excluded_browsers);
   if (new_browser == NULL) {
     BrowserAddedObserver observer;
     new_browser = observer.WaitForSingleNewBrowser();
     // The new browser should never be in |excluded_browsers|.
-    DCHECK(!ContainsKey(excluded_browsers, new_browser));
+    DCHECK(!base::ContainsKey(excluded_browsers, new_browser));
   }
   return new_browser;
 }
 
 class AppModalDialogWaiter : public app_modal::AppModalDialogObserver {
  public:
   AppModalDialogWaiter()
       : dialog_(NULL) {
   }
   ~AppModalDialogWaiter() override {
@@ skipping 425 matching lines @@
         new content::MessageLoopRunner;
     WaitHistoryLoadedObserver observer(runner.get());
     ScopedObserver<history::HistoryService, history::HistoryServiceObserver>
         scoped_observer(&observer);
     scoped_observer.Add(history_service);
     runner->Run();
   }
 }
 
 }  // namespace ui_test_utils