Use OwnPtr|PassOwnPtr to pass a pointer of NavigatorContentUtilsClient instance

Source/modules/navigatorcontentutils/NavigatorContentUtils.cpp

 /*
  * Copyright (C) 2011, Google Inc. All rights reserved.
  * Copyright (C) 2012, Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 110 matching lines @@
 
 NavigatorContentUtils* NavigatorContentUtils::from(Page& page)
 {
     return static_cast<NavigatorContentUtils*>(RefCountedSupplement<Page, NavigatorContentUtils>::from(page, NavigatorContentUtils::supplementName()));
 }
 
 NavigatorContentUtils::~NavigatorContentUtils()
 {
 }
 
-PassRefPtr<NavigatorContentUtils> NavigatorContentUtils::create(NavigatorContentUtilsClient* client)
+PassRefPtr<NavigatorContentUtils> NavigatorContentUtils::create(PassOwnPtr<NavigatorContentUtilsClient> client)
 {
     return adoptRef(new NavigatorContentUtils(client));
 }
 
 void NavigatorContentUtils::registerProtocolHandler(Navigator& navigator, const String& scheme, const String& url, const String& title, ExceptionState& exceptionState)
 {
     if (!navigator.frame())
         return;
 
     Document* document = navigator.frame()->document();
@@ skipping 67 matching lines @@
 
     ASSERT(navigator.frame()->page());
     NavigatorContentUtils::from(*navigator.frame()->page())->client()->unregisterProtocolHandler(scheme, baseURL, KURL(ParsedURLString, url));
 }
 
 const char* NavigatorContentUtils::supplementName()
 {
     return "NavigatorContentUtils";
 }
 
-void provideNavigatorContentUtilsTo(Page& page, NavigatorContentUtilsClient* client)
+void provideNavigatorContentUtilsTo(Page& page, PassOwnPtr<NavigatorContentUtilsClient> client)
 {
     RefCountedSupplement<Page, NavigatorContentUtils>::provideTo(page, NavigatorContentUtils::supplementName(), NavigatorContentUtils::create(client));
 }
 
 } // namespace WebCore