Don't crash when granting permissions to active tab.

extensions/renderer/dispatcher.h

 // Copyright 2014 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 EXTENSIONS_RENDERER_DISPATCHER_H_
 #define EXTENSIONS_RENDERER_DISPATCHER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 145 matching lines @@
                            CannotScriptWebstore);
 
   // RenderProcessObserver implementation:
   bool OnControlMessageReceived(const IPC::Message& message) override;
   void WebKitInitialized() override;
   void IdleNotification() override;
   void OnRenderProcessShutdown() override;
 
   void OnActivateExtension(const std::string& extension_id);
   void OnCancelSuspend(const std::string& extension_id);
-  void OnClearTabSpecificPermissions(
-      int tab_id,
-      const std::vector<std::string>& extension_ids);
   void OnDeliverMessage(int target_port_id, const Message& message);
   void OnDispatchOnConnect(int target_port_id,
                            const std::string& channel_name,
                            const base::DictionaryValue& source_tab,
                            const ExtensionMsg_ExternalConnectionInfo& info,
                            const std::string& tls_channel_id);
   void OnDispatchOnDisconnect(int port_id, const std::string& error_message);
   void OnLoaded(
       const std::vector<ExtensionMsg_Loaded_Params>& loaded_extensions);
   void OnLoadedInternal(scoped_refptr<const Extension> extension);
   void OnMessageInvoke(const std::string& extension_id,
                        const std::string& module_name,
                        const std::string& function_name,
                        const base::ListValue& args,
                        bool user_gesture);
   void OnSetChannel(int channel);
   void OnSetFunctionNames(const std::vector<std::string>& names);
   void OnSetScriptingWhitelist(
       const ExtensionsClient::ScriptingWhitelist& extension_ids);
   void OnSetSystemFont(const std::string& font_family,
                        const std::string& font_size);
   void OnShouldSuspend(const std::string& extension_id, uint64 sequence_id);
   void OnSuspend(const std::string& extension_id);
   void OnTransferBlobs(const std::vector<std::string>& blob_uuids);
   void OnUnloaded(const std::string& id);
   void OnUpdatePermissions(const ExtensionMsg_UpdatePermissions_Params& params);
-  void OnUpdateTabSpecificPermissions(const GURL& url,
-                                      int tab_id,
-                                      const std::string& extension_id,
-                                      const URLPatternSet& origin_set);
   void OnUsingWebRequestAPI(bool webrequest_used);
 
   // UserScriptSetManager::Observer implementation.
   void OnUserScriptsUpdated(const std::set<std::string>& changed_extensions,
                             const std::vector<UserScript*>& scripts) override;
 
   void UpdateActiveExtensions();
 
   // Sets up the host permissions for |extension|.
   void InitOriginPermissions(const Extension* extension);
@@ skipping 105 matching lines @@
 
   // Status of webrequest usage.
   bool webrequest_used_;
 
   DISALLOW_COPY_AND_ASSIGN(Dispatcher);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_DISPATCHER_H_