Remove obviously unneeded forward declarations in chrome/browser/[abef]*/*.h.

chrome/browser/extensions/extension_cookies_helpers.cc

 // 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.
 
 // Implements common functionality for the Chrome Extensions Cookies API.
 
 #include "chrome/browser/extensions/extension_cookies_helpers.h"
 
 #include "base/logging.h"
+#include "base/values.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/extensions/extension_cookies_api_constants.h"
 #include "chrome/browser/extensions/extension_tabs_module.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/url_constants.h"
 #include "googleurl/src/gurl.h"
 
 namespace keys = extension_cookies_api_constants;
 
@@ skipping 153 matching lines @@
        sub_domain.length() >= filter_value.length();) {
     if (sub_domain == filter_value)
       return true;
     const size_t next_dot = sub_domain.find('.', 1);  // Skip over leading dot.
     sub_domain.erase(0, next_dot);
   }
   return false;
 }
 
 }  // namespace extension_cookies_helpers