<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 480 matching lines @@
 
   // A map to store relevant info for a request keyed by the request's id.
   typedef std::map<int, PermissionRequest*> RequestMap;
   RequestMap permission_request_map_;
 
   // Indicates that this BrowserPluginGuest has associated renderer-side state.
   // This is used to determine whether or not to create a new RenderView when
   // this guest is attached.
   bool has_render_view_;
 
+  // Indicates whether BrowserPluginGuest::Destroy has been called.
+  bool is_being_destroyed_;
+
   // This is a queue of messages that are destined to be sent to the embedder
   // once the guest is attached to a particular embedder.
   std::queue<IPC::Message*> pending_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_H_