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

chrome/browser/extensions/execute_code_in_tab_function.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_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__
 #define CHROME_BROWSER_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__
 #pragma once
 
 #include <string>
-#include <vector>
 
 #include "base/file_path.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/notification_registrar.h"
 
-class MessageLoop;
-
 // Implement API call tabs.executeScript and tabs.insertCSS.
 class ExecuteCodeInTabFunction : public AsyncExtensionFunction,
                                  public NotificationObserver {
  public:
   ExecuteCodeInTabFunction() : execute_tab_id_(-1),
                                all_frames_(false) {}
 
  private:
   virtual bool RunImpl();
 
@@ skipping 25 matching lines @@
 
 class TabsExecuteScriptFunction : public ExecuteCodeInTabFunction {
   DECLARE_EXTENSION_FUNCTION_NAME("tabs.executeScript")
 };
 
 class TabsInsertCSSFunction : public ExecuteCodeInTabFunction {
   DECLARE_EXTENSION_FUNCTION_NAME("tabs.insertCSS")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__