content: Use stl utilities from the base namespace

content/browser/download/download_item_impl_unittest.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 "content/browser/download/download_item_impl.h"
 
 #include <stdint.h>
 
 #include <iterator>
 #include <queue>
@@ skipping 236 matching lines @@
     create_info_.reset(new DownloadCreateInfo());
     create_info_->save_info =
         std::unique_ptr<DownloadSaveInfo>(new DownloadSaveInfo());
     create_info_->save_info->prompt_for_save_location = false;
     create_info_->url_chain.push_back(GURL("http://example.com/download"));
     create_info_->etag = "SomethingToSatisfyResumption";
   }
 
   ~DownloadItemTest() {
     RunAllPendingInMessageLoops();
-    STLDeleteElements(&allocated_downloads_);
+    base::STLDeleteElements(&allocated_downloads_);
   }
 
   DownloadItemImpl* CreateDownloadItemWithCreateInfo(
       std::unique_ptr<DownloadCreateInfo> info) {
     DownloadItemImpl* download = new DownloadItemImpl(
         &delegate_, next_download_id_++, *(info.get()), net::BoundNetLog());
     allocated_downloads_.insert(download);
     return download;
   }
 
@@ skipping 1757 matching lines @@
 
   item_->Cancel(true);
   RunAllPendingInMessageLoops();
 }
 
 TEST(MockDownloadItem, Compiles) {
   MockDownloadItem mock_item;
 }
 
 }  // namespace content