Delete obviously unneeded forward declarations in chrome/browser/*.h.

chrome/browser/encoding_menu_controller.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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_ENCODING_MENU_CONTROLLER_H_
 #define CHROME_BROWSER_ENCODING_MENU_CONTROLLER_H_
 #pragma once
 
 #include <utility>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"  // For DISALLOW_COPY_AND_ASSIGN
 #include "base/gtest_prod_util.h"
 #include "base/string16.h"
 
-class Browser;
 class Profile;
 
 // Cross-platform logic needed for the encoding menu.
 // For now, we don't need to track state so all methods are static.
 class EncodingMenuController {
   FRIEND_TEST_ALL_PREFIXES(EncodingMenuControllerTest, EncodingIDsBelongTest);
   FRIEND_TEST_ALL_PREFIXES(EncodingMenuControllerTest, IsItemChecked);
 
  public:
   typedef std::pair<int, string16> EncodingMenuItem;
@@ skipping 20 matching lines @@
  private:
   // List of all valid encoding GUI IDs.
   static const int kValidEncodingIds[];
   const int* ValidGUIEncodingIDs();
   int NumValidGUIEncodingIDs();
 
   DISALLOW_COPY_AND_ASSIGN(EncodingMenuController);
 };
 
 #endif  // CHROME_BROWSER_ENCODING_MENU_CONTROLLER_H_