chrome: Use stl utilities from the base namespace

chrome/browser/media_galleries/win/mtp_device_delegate_impl_win_unittest.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 <utility>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 29 matching lines @@
 using storage_monitor::TestVolumeMountWatcherWin;
 
 namespace {
 
 typedef std::map<MediaGalleryPrefId, MediaFileSystemInfo> FSInfoMap;
 
 void GetGalleryInfoCallback(
     FSInfoMap* results,
     const std::vector<MediaFileSystemInfo>& file_systems) {
   for (size_t i = 0; i < file_systems.size(); ++i) {
-    ASSERT_FALSE(ContainsKey(*results, file_systems[i].pref_id));
+    ASSERT_FALSE(base::ContainsKey(*results, file_systems[i].pref_id));
     (*results)[file_systems[i].pref_id] = file_systems[i];
   }
 }
 
 }  // namespace
 
 class MTPDeviceDelegateImplWinTest : public ChromeRenderViewHostTestHarness {
  protected:
   void SetUp() override;
   void TearDown() override;
@@ skipping 114 matching lines @@
   for (FSInfoMap::iterator i = results.begin(); i != results.end(); ++i) {
     MediaFileSystemInfo info = i->second;
     if (info.path == location) {
       CheckGalleryInfo(info, location.LossyDisplayName(), location, true, true);
       checked = true;
       break;
     }
   }
   EXPECT_TRUE(checked);
 }