chrome: Use stl utilities from the base namespace

chrome/browser/media_galleries/fileapi/itunes_data_provider.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 "chrome/browser/media_galleries/fileapi/itunes_data_provider.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 183 matching lines @@
                  ready_callback));
 }
 
 const base::FilePath& ITunesDataProvider::auto_add_path() const {
   return auto_add_path_;
 }
 
 bool ITunesDataProvider::KnownArtist(const ArtistName& artist) const {
   DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread());
   DCHECK(valid());
-  return ContainsKey(library_, artist);
+  return base::ContainsKey(library_, artist);
 }
 
 bool ITunesDataProvider::KnownAlbum(const ArtistName& artist,
                                     const AlbumName& album) const {
   DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread());
   DCHECK(valid());
   Library::const_iterator library_it = library_.find(artist);
   if (library_it == library_.end())
     return false;
-  return ContainsKey(library_it->second, album);
+  return base::ContainsKey(library_it->second, album);
 }
 
 base::FilePath ITunesDataProvider::GetTrackLocation(
     const ArtistName& artist, const AlbumName& album,
     const TrackName& track) const {
   DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread());
   DCHECK(valid());
   Library::const_iterator library_it = library_.find(artist);
   if (library_it == library_.end())
     return base::FilePath();
@@ skipping 68 matching lines @@
         std::string album_name = SanitizeName(album_it->first);
         library_[artist_name][album_name] =
             MakeUniqueTrackNames(album_it->second);
       }
     }
   }
   ready_callback.Run(valid());
 }
 
 }  // namespace itunes