Have Frame::loader() return a reference

Source/core/html/HTMLAnchorElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 415 matching lines @@
     url.append(stripLeadingAndTrailingHTMLSpaces(fastGetAttribute(hrefAttr)));
     appendServerMapMousePosition(url, event);
     KURL completedURL = document().completeURL(url.toString());
 
     // Schedule the ping before the frame load. Prerender in Chrome may kill the renderer as soon as the navigation is
     // sent out.
     sendPings(completedURL);
 
     ResourceRequest request(completedURL);
     if (prefetchEventHandler()->hasIssuedPreconnect())
-        frame->loader()->client()->dispatchWillRequestAfterPreconnect(request);
+        frame->loader().client()->dispatchWillRequestAfterPreconnect(request);
     if (hasAttribute(downloadAttr)) {
         if (!hasRel(RelationNoReferrer)) {
-            String referrer = SecurityPolicy::generateReferrerHeader(document().referrerPolicy(), completedURL, frame->loader()->outgoingReferrer());
+            String referrer = SecurityPolicy::generateReferrerHeader(document().referrerPolicy(), completedURL, frame->loader().outgoingReferrer());
             if (!referrer.isEmpty())
                 request.setHTTPReferrer(referrer);
         }
 
-        frame->loader()->client()->loadURLExternally(request, NavigationPolicyDownload, fastGetAttribute(downloadAttr));
+        frame->loader().client()->loadURLExternally(request, NavigationPolicyDownload, fastGetAttribute(downloadAttr));
     } else {
         FrameLoadRequest frameRequest(document().securityOrigin(), request, target());
         frameRequest.setTriggeringEvent(event);
         if (hasRel(RelationNoReferrer))
             frameRequest.setShouldSendReferrer(NeverSendReferrer);
-        frame->loader()->load(frameRequest);
+        frame->loader().load(frameRequest);
     }
 }
 
 HTMLAnchorElement::EventType HTMLAnchorElement::eventType(Event* event)
 {
     if (!event->isMouseEvent())
         return NonMouseEvent;
     return toMouseEvent(event)->shiftKey() ? MouseEventWithShiftKey : MouseEventWithoutShiftKey;
 }
 
@@ skipping 242 matching lines @@
     preconnectToURL(url, motivation);
     m_hasIssuedPreconnect = true;
 }
 
 bool HTMLAnchorElement::isInteractiveContent() const
 {
     return true;
 }
 
 }