chrome: Use stl utilities from the base namespace

chrome/browser/download/download_path_reservation_tracker.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/browser/download/download_path_reservation_tracker.h"
 
 #include <stddef.h>
 
 #include <map>
 
@@ skipping 271 matching lines @@
     // call. Neither should happen.
     NOTREACHED();
   }
 }
 
 // Called on the FILE thread to remove the path reservation associated with
 // |key|.
 void RevokeReservation(ReservationKey key) {
   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
   DCHECK(g_reservation_map != NULL);
-  DCHECK(ContainsKey(*g_reservation_map, key));
+  DCHECK(base::ContainsKey(*g_reservation_map, key));
   g_reservation_map->erase(key);
   if (g_reservation_map->size() == 0) {
     // No more reservations. Delete map.
     delete g_reservation_map;
     g_reservation_map = NULL;
   }
 }
 
 void RunGetReservedPathCallback(
     const DownloadPathReservationTracker::ReservedPathCallback& callback,
@@ skipping 95 matching lines @@
       base::Bind(&RunGetReservedPathCallback,
                  callback,
                  base::Owned(reserved_path)));
 }
 
 // static
 bool DownloadPathReservationTracker::IsPathInUseForTesting(
     const base::FilePath& path) {
   return IsPathInUse(path);
 }