[Extensions] Clean up the handling of ExtensionHostMsg_Request

chrome/browser/ui/panels/panel_host.h

 // Copyright (c) 2012 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_UI_PANELS_PANEL_HOST_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_HOST_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/browser/web_contents_delegate.h"
@@ skipping 59 matching lines @@
   void HandleKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event) override;
   void ResizeDueToAutoResize(content::WebContents* web_contents,
                              const gfx::Size& new_size) override;
 
   // content::WebContentsObserver overrides.
   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
   void RenderProcessGone(base::TerminationStatus status) override;
   void WebContentsDestroyed() override;
-  bool OnMessageReceived(const IPC::Message& message) override;
 
   // extensions::ExtensionFunctionDispatcher::Delegate overrides.
   extensions::WindowController* GetExtensionWindowController() const override;
   content::WebContents* GetAssociatedWebContents() const override;
 
   // Actions on web contents.
   void Reload();
   void ReloadIgnoringCache();
   void StopLoading();
   void Zoom(content::PageZoom zoom);
 
  private:
   // Helper to close panel via the message loop.
   void ClosePanel();
 
-  // Message handlers.
-  void OnRequest(const ExtensionHostMsg_Request_Params& params);
-
   Panel* panel_;  // Weak, owns us.
   Profile* profile_;
-  extensions::ExtensionFunctionDispatcher extension_function_dispatcher_;
 
   scoped_ptr<content::WebContents> web_contents_;
 
   // The following factory is used to close the panel via the message loop.
   base::WeakPtrFactory<PanelHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PanelHost);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_HOST_H_