[bindings] Use Local<> in lieu of Handle<> for the union.h/cpp in templates.

Source/bindings/templates/union.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.
 
 // This file has been auto-generated by {{code_generator}}. DO NOT MODIFY!
 
 #include "config.h"
 #include "{{header_filename}}"
 
 {% macro assign_and_return_if_hasinstance(member) %}
 if (V8{{member.type_name}}::hasInstance(v8Value, isolate)) {
-    {{member.cpp_local_type}} cppValue = V8{{member.type_name}}::toImpl(v8::Handle<v8::Object>::Cast(v8Value));
+    {{member.cpp_local_type}} cppValue = V8{{member.type_name}}::toImpl(v8::Local<v8::Object>::Cast(v8Value));
     impl.set{{member.type_name}}(cppValue);
     return;
 }
 {% endmacro %}
 {% for filename in cpp_includes %}
 #include "{{filename}}"
 {% endfor %}
 
 namespace blink {
 
@@ skipping 20 matching lines @@
 {% endfor %}
 {% if container.needs_trace %}
 void {{container.cpp_class}}::trace(Visitor* visitor)
 {
     {% for member in container.members if member.is_traceable %}
     visitor->trace(m_{{member.cpp_name}});
     {% endfor %}
 }
 
 {% endif %}
-void V8{{container.cpp_class}}::toImpl(v8::Isolate* isolate, v8::Handle<v8::Value> v8Value, {{container.cpp_class}}& impl, ExceptionState& exceptionState)
+void V8{{container.cpp_class}}::toImpl(v8::Isolate* isolate, v8::Local<v8::Value> v8Value, {{container.cpp_class}}& impl, ExceptionState& exceptionState)
 {
     if (v8Value.IsEmpty())
         return;
 
     {# The numbers in the following comments refer to the steps described in
        http://heycam.github.io/webidl/#es-union
        NOTE: Step 1 (null or undefined) is handled in *OrNull::toImpl()
        FIXME: Implement all necessary steps #}
     {# 3. Platform objects (interfaces) #}
     {% for interface in container.interface_types %}
@@ skipping 66 matching lines @@
         impl.setBoolean(v8Value->ToBoolean()->Value());
         return;
     }
 
     {% else %}
     {# 19. TypeError #}
     exceptionState.throwTypeError("The provided value is not of type '{{container.type_string}}'");
     {% endif %}
 }
 
-v8::Handle<v8::Value> toV8(const {{container.cpp_class}}& impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+v8::Local<v8::Value> toV8(const {{container.cpp_class}}& impl, v8::Local<v8::Object> creationContext, v8::Isolate* isolate)
 {
     switch (impl.m_type) {
     case {{container.cpp_class}}::SpecificTypeNone:
         {# FIXME: We might want to return undefined in some cases #}
         return v8::Null(isolate);
     {% for member in container.members %}
     case {{container.cpp_class}}::{{member.specific_type_enum}}:
         return {{member.cpp_value_to_v8_value}};
     {% endfor %}
     default:
         ASSERT_NOT_REACHED();
     }
-    return v8::Handle<v8::Value>();
+    return v8::Local<v8::Value>();
 }
 
-{{container.cpp_class}} NativeValueTraits<{{container.cpp_class}}>::nativeValue(const v8::Handle<v8::Value>& value, v8::Isolate* isolate, ExceptionState& exceptionState)
+{{container.cpp_class}} NativeValueTraits<{{container.cpp_class}}>::nativeValue(const v8::Local<v8::Value>& value, v8::Isolate* isolate, ExceptionState& exceptionState)
 {
     {{container.cpp_class}} impl;
     V8{{container.cpp_class}}::toImpl(isolate, value, impl, exceptionState);
     return impl;
 }
 
 {% endfor %}
 } // namespace blink