Clean up inclusion of <map>, <set>, <vector> in chrome/browser/*.h.

chrome/browser/fav_icon_helper.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_FAV_ICON_HELPER_H__
 #define CHROME_BROWSER_FAV_ICON_HELPER_H__
 #pragma once
 
 #include <map>
-#include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/cancelable_request.h"
 #include "chrome/browser/favicon_service.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/common/ref_counted_util.h"
 #include "googleurl/src/gurl.h"
 
@@ skipping 160 matching lines @@
   bool fav_icon_expired_;
 
   // Requests to the renderer to download favicons.
   typedef std::map<int, DownloadRequest> DownloadRequests;
   DownloadRequests download_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(FavIconHelper);
 };
 
 #endif  // CHROME_BROWSER_FAV_ICON_HELPER_H__