chrome: Cleanup class/struct forward declarations

chrome/browser/supervised_user/supervised_user_site_list.h

 // Copyright 2014 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_SUPERVISED_USER_SUPERVISED_USER_SITE_LIST_H_
 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SITE_LIST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <array>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/sha1.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "url/gurl.h"
 
-class Profile;
-
 namespace base {
-class DictionaryValue;
 class ListValue;
 class Value;
 }
 
 // This class represents the content of a supervised user whitelist. It is
 // loaded from a JSON file inside the extension bundle, which defines the sites
 // on the list.
 // All whitelists are combined in the SupervisedUserURLFilter, which can tell
 // for a given URL if it is part of any whitelist. Effectively,
 // SupervisedUserURLFilter then acts as a big whitelist which is the union of
@@ skipping 78 matching lines @@
   // A list of URL patterns that should be whitelisted.
   std::vector<std::string> patterns_;
 
   // A list of SHA1 hashes of hostnames that should be whitelisted.
   std::vector<HostnameHash> hostname_hashes_;
 
   DISALLOW_COPY_AND_ASSIGN(SupervisedUserSiteList);
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SITE_LIST_H_