<webview>: Implement WebRequest API

chrome/browser/extensions/api/web_request/web_request_api.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_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 227 matching lines @@
   // the extension process to correspond to the given filter and
   // extra_info_spec. It returns true on success, false on failure.
   bool AddEventListener(
       void* profile,
       const std::string& extension_id,
       const std::string& extension_name,
       const std::string& event_name,
       const std::string& sub_event_name,
       const RequestFilter& filter,
       int extra_info_spec,
-      int target_process_id,
-      int target_route_id,
+      int caller_process_id,
+      int caller_routing_id,
+      int web_view_instance_id,
       base::WeakPtr<IPC::Sender> ipc_sender);
 
   // Removes the listener for the given sub-event.
   void RemoveEventListener(
       void* profile,
       const std::string& extension_id,
       const std::string& sub_event_name);
 
+  // Removes the listeners for a given <webview>.
+  void RemoveWebViewEventListeners(
+      void* profile,
+      const std::string& extension_id,
+      int embedder_process_id,
+      int embedder_routing_id,
+      int web_view_instance_id);
+
   // Called when an incognito profile is created or destroyed.
   void OnOTRProfileCreated(void* original_profile,
                            void* otr_profile);
   void OnOTRProfileDestroyed(void* original_profile,
                              void* otr_profile);
 
   // Registers a |callback| that is executed when the next page load happens.
   // The callback is then deleted.
   void AddCallbackForPageLoad(const base::Closure& callback);
 
@@ skipping 188 matching lines @@
   virtual void OnQuotaExceeded(const std::string& error) OVERRIDE;
   virtual bool RunImpl() OVERRIDE;
 };
 
 // Send updates to |host| with information about what webRequest-related
 // extensions are installed.
 // TODO(mpcomplete): remove. http://crbug.com/100411
 void SendExtensionWebRequestStatusToHost(content::RenderProcessHost* host);
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_