chrome: Use stl utilities from the base namespace

chrome/browser/sync_file_system/local/local_file_sync_status.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/sync_file_system/local/local_file_sync_status.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "content/public/browser/browser_thread.h"
 #include "storage/common/fileapi/file_system_util.h"
@@ skipping 43 matching lines @@
   // |normalized_path| since |normalized_path| has trailing path separator.
   typename Container::const_iterator upper =
       paths.upper_bound(normalized_path);
 
   if (upper != paths.end() &&
       normalized_path.IsParent(get_key_helper.GetKey(upper)))
     return true;
 
   // Check if any ancestor of |normalized_path| is in |writing_|.
   while (true) {
-    if (ContainsKey(paths, normalized_path))
+    if (base::ContainsKey(paths, normalized_path))
       return true;
 
     if (storage::VirtualPath::IsRootPath(normalized_path))
       return false;
 
     normalized_path =
         NormalizePath(storage::VirtualPath::DirName(normalized_path));
   }
 }
 
@@ skipping 82 matching lines @@
     const FileSystemURL& url) const {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   URLSet::const_iterator found = syncing_.find(GetOriginAndType(url));
   if (found == syncing_.end())
     return false;
   return ContainsChildOrParent(found->second, url.path(),
                                SetKeyHelper());
 }
 
 }  // namespace sync_file_system