<webview>: Implement WebRequest API

content/browser/browser_plugin/browser_plugin_guest.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.
 
 // A BrowserPluginGuest is the browser side of a browser <--> embedder
 // renderer channel. A BrowserPlugin (a WebPlugin) is on the embedder
 // renderer side of browser <--> embedder renderer communication.
 //
 // BrowserPluginGuest lives on the UI thread of the browser process. It has a
 // helper, BrowserPluginGuestHelper, which is a RenderViewHostObserver. The
@@ skipping 57 matching lines @@
                                           public WebContentsDelegate,
                                           public WebContentsObserver {
  public:
   virtual ~BrowserPluginGuest();
 
   static BrowserPluginGuest* Create(
       int instance_id,
       WebContentsImpl* web_contents,
       const BrowserPluginHostMsg_CreateGuest_Params& params);
 
+  // Called before destroying guest to allow guest to perform any necessary
+  // clean-up.
+  void Destroy();
+
   // Overrides factory for testing. Default (NULL) value indicates regular
   // (non-test) environment.
   static void set_factory_for_testing(BrowserPluginHostFactory* factory) {
     content::BrowserPluginGuest::factory_ = factory;
   }
 
   bool OnMessageReceivedFromEmbedder(const IPC::Message& message);
 
   void Initialize(const BrowserPluginHostMsg_CreateGuest_Params& params,
                   content::RenderViewHost* render_view_host);
@@ skipping 214 matching lines @@
   bool auto_size_enabled_;
   gfx::Size max_auto_size_;
   gfx::Size min_auto_size_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_H_