Make use of v8::Local alias in Source/web*

Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 132 matching lines @@
     if (devToolsFrontend)
         devToolsFrontend->didClearWindowObject(m_webFrame);
 }
 
 void FrameLoaderClientImpl::documentElementAvailable()
 {
     if (m_webFrame->client())
         m_webFrame->client()->didCreateDocumentElement(m_webFrame);
 }
 
-void FrameLoaderClientImpl::didCreateScriptContext(v8::Handle<v8::Context> context, int extensionGroup, int worldId)
+void FrameLoaderClientImpl::didCreateScriptContext(v8::Local<v8::Context> context, int extensionGroup, int worldId)
 {
     if (m_webFrame->client())
         m_webFrame->client()->didCreateScriptContext(m_webFrame, context, extensionGroup, worldId);
 }
 
-void FrameLoaderClientImpl::willReleaseScriptContext(v8::Handle<v8::Context> context, int worldId)
+void FrameLoaderClientImpl::willReleaseScriptContext(v8::Local<v8::Context> context, int worldId)
 {
     if (m_webFrame->client())
         m_webFrame->client()->willReleaseScriptContext(m_webFrame, context, worldId);
 }
 
 bool FrameLoaderClientImpl::allowScriptExtension(const String& extensionName,
                                                  int extensionGroup,
                                                  int worldId)
 {
     if (m_webFrame->contentSettingsClient())
@@ skipping 796 matching lines @@
 
 void FrameLoaderClientImpl::suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType type)
 {
     if (m_webFrame->client()) {
         m_webFrame->client()->suddenTerminationDisablerChanged(
             present, static_cast<WebFrameClient::SuddenTerminationDisablerType>(type));
     }
 }
 
 } // namespace blink