extensions/renderer: Use v8::Local instead of v8::Handle.

extensions/renderer/extension_frame_helper.h

 // Copyright 2013 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_EXTENSION_FRAME_HELPER_H_
 #define EXTENSIONS_RENDERER_EXTENSION_FRAME_HELPER_H_
 
 #include "content/public/common/console_message_level.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
@@ skipping 10 matching lines @@
 class ExtensionFrameHelper
     : public content::RenderFrameObserver,
       public content::RenderFrameObserverTracker<ExtensionFrameHelper> {
  public:
   ExtensionFrameHelper(content::RenderFrame* render_frame,
                        Dispatcher* extension_dispatcher);
   ~ExtensionFrameHelper() override;
 
  private:
   // RenderFrameObserver implementation.
-  void DidCreateScriptContext(v8::Handle<v8::Context>,
+  void DidCreateScriptContext(v8::Local<v8::Context>,
                               int extension_group,
                               int world_id) override;
-  void WillReleaseScriptContext(v8::Handle<v8::Context>, int world_id) override;
+  void WillReleaseScriptContext(v8::Local<v8::Context>, int world_id) override;
   bool OnMessageReceived(const IPC::Message& message) override;
 
   // IPC handlers.
   void OnAddMessageToConsole(content::ConsoleMessageLevel level,
                              const std::string& message);
   void OnExtensionDispatchOnConnect(
       int target_port_id,
       const std::string& channel_name,
       const ExtensionMsg_TabConnectionInfo& source,
       const ExtensionMsg_ExternalConnectionInfo& info,
       const std::string& tls_channel_id);
   void OnExtensionDeliverMessage(int target_port_id,
                                  const Message& message);
   void OnExtensionDispatchOnDisconnect(int port_id,
                                        const std::string& error_message);
 
   Dispatcher* extension_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionFrameHelper);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_EXTENSION_FRAME_HELPER_H_