Replace v8::Handle<> with v8::Local<> in bindings/core/v8/*

Source/bindings/core/v8/WrapCanvasContext.cpp

 // 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.
 
 #include "config.h"
 #include "bindings/core/v8/WrapCanvasContext.h"
 
 #include "bindings/core/v8/V8CanvasRenderingContext2D.h"
 #include "bindings/core/v8/V8WebGLRenderingContext.h"
 #include "core/html/HTMLCanvasElement.h"
 
 namespace blink {
 
 ScriptValue wrapCanvasContext(ScriptState* scriptState, HTMLCanvasElement* canvas, PassRefPtrWillBeRawPtr<CanvasRenderingContext2D> value)
 {
-    v8::Handle<v8::Value> v8Result = toV8(value, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> v8Result = toV8(value, scriptState->context()->Global(), scriptState->isolate());
     ScriptValue context(scriptState, v8Result);
     return context;
 }
 
 ScriptValue wrapCanvasContext(ScriptState* scriptState, HTMLCanvasElement* canvas, PassRefPtrWillBeRawPtr<WebGLRenderingContext> value)
 {
-    v8::Handle<v8::Value> v8Result = toV8(value, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> v8Result = toV8(value, scriptState->context()->Global(), scriptState->isolate());
     ScriptValue context(scriptState, v8Result);
     return context;
 }
 
 } // namespace blink