chrome: Use stl utilities from the base namespace

chrome/browser/apps/app_browsertest.cc

 // Copyright 2013 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 <stddef.h>
 
 #include <memory>
 
 #include "apps/launcher.h"
 #include "base/bind.h"
@@ skipping 1226 matching lines @@
 
   // Listen for new app windows so we see the file manager app launch itself.
   AppWindowRegistry* registry = AppWindowRegistry::Get(incognito_profile);
   ASSERT_TRUE(registry != NULL);
   registry->AddObserver(this);
 
   OpenApplication(CreateAppLaunchParamsUserContainer(
       incognito_profile, file_manager, NEW_FOREGROUND_TAB,
       extensions::SOURCE_TEST));
 
-  while (!ContainsKey(opener_app_ids_, file_manager->id())) {
+  while (!base::ContainsKey(opener_app_ids_, file_manager->id())) {
     content::RunAllPendingInMessageLoop();
   }
 }
 
 class RestartDeviceTest : public PlatformAppBrowserTest {
  public:
   RestartDeviceTest()
       : power_manager_client_(NULL),
         mock_user_manager_(NULL) {}
   ~RestartDeviceTest() override {}
@@ skipping 124 matching lines @@
 // https://crbug.com/620194.
 #define MAYBE_AppWindowIframe DISABLED_AppWindowIframe
 // Sends chrome.test.sendMessage from chrome.app.window.create's callback.
 // The app window also adds an <iframe> to the page during window.onload.
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, MAYBE_AppWindowIframe) {
   LoadAndLaunchPlatformApp("app_window_send_message",
                            "APP_WINDOW_CREATE_CALLBACK");
 }
 
 }  // namespace extensions