Make v8::Handle as "deprecated soon"

src/extensions/trigger-failure-extension.h

 // Copyright 2013 the V8 project 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 V8_EXTENSIONS_TRIGGER_FAILURE_EXTENSION_H_
 #define V8_EXTENSIONS_TRIGGER_FAILURE_EXTENSION_H_
 
 #include "src/v8.h"
 
 namespace v8 {
 namespace internal {
 
 class TriggerFailureExtension : public v8::Extension {
  public:
   TriggerFailureExtension() : v8::Extension("v8/trigger-failure", kSource) {}
-  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunctionTemplate(
-      v8::Isolate* isolate,
-      v8::Handle<v8::String> name);
+  virtual v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
+      v8::Isolate* isolate, v8::Local<v8::String> name);
   static void TriggerCheckFalse(
       const v8::FunctionCallbackInfo<v8::Value>& args);
   static void TriggerAssertFalse(
       const v8::FunctionCallbackInfo<v8::Value>& args);
   static void TriggerSlowAssertFalse(
       const v8::FunctionCallbackInfo<v8::Value>& args);
 
  private:
   static const char* const kSource;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_EXTENSIONS_TRIGGER_FAILURE_EXTENSION_H_