Use Local instead of Handle in src/content/*

content/renderer/web_ui_mojo.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 CONTENT_RENDERER_WEB_UI_MOJO_H_
 #define CONTENT_RENDERER_WEB_UI_MOJO_H_
 
 #include <string>
 
 #include "content/public/renderer/render_frame_observer.h"
@@ skipping 19 matching lines @@
  public:
   explicit WebUIMojo(RenderView* render_view);
 
  private:
   class MainFrameObserver : public RenderFrameObserver {
    public:
     explicit MainFrameObserver(WebUIMojo* web_ui_mojo);
     ~MainFrameObserver() override;
 
     // RenderFrameObserver overrides:
-    void WillReleaseScriptContext(v8::Handle<v8::Context> context,
+    void WillReleaseScriptContext(v8::Local<v8::Context> context,
                                   int world_id) override;
     void DidFinishDocumentLoad() override;
 
    private:
     WebUIMojo* web_ui_mojo_;
 
     DISALLOW_COPY_AND_ASSIGN(MainFrameObserver);
   };
 
   ~WebUIMojo() override;
 
   void CreateContextState();
-  void DestroyContextState(v8::Handle<v8::Context> context);
+  void DestroyContextState(v8::Local<v8::Context> context);
 
   // Invoked when the frame finishes loading. Invokes Run() on the
   // WebUIMojoContextState.
   void OnDidFinishDocumentLoad();
 
   WebUIMojoContextState* GetContextState();
 
   // RenderViewObserver overrides:
   void DidCreateDocumentElement(blink::WebLocalFrame* frame) override;
   void DidClearWindowObject(blink::WebLocalFrame* frame) override;
 
   MainFrameObserver main_frame_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIMojo);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_WEB_UI_MOJO_H_