Replace Handle<> with Local in remaining gin/*

gin/public/context_holder.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 GIN_PUBLIC_CONTEXT_HOLDER_H_
 #define GIN_PUBLIC_CONTEXT_HOLDER_H_
 
 #include <list>
 
 #include "base/basictypes.h"
@@ skipping 15 matching lines @@
 class PerContextData;
 
 // ContextHolder is a generic class for holding a v8::Context.
 class GIN_EXPORT ContextHolder {
  public:
   explicit ContextHolder(v8::Isolate* isolate);
   ~ContextHolder();
 
   v8::Isolate* isolate() const { return isolate_; }
 
-  v8::Handle<v8::Context> context() const {
+  v8::Local<v8::Context> context() const {
     return v8::Local<v8::Context>::New(isolate_, context_);
   }
 
-  void SetContext(v8::Handle<v8::Context> context);
+  void SetContext(v8::Local<v8::Context> context);
 
  private:
   v8::Isolate* isolate_;
   v8::UniquePersistent<v8::Context> context_;
   scoped_ptr<PerContextData> data_;
 
   DISALLOW_COPY_AND_ASSIGN(ContextHolder);
 };
 
 }  // namespace gin
 
 #endif  // GIN_PUBLIC_CONTEXT_HOLDER_H_