Merge 91797 - Add support for download='filename' attribute in anchors.

Source/WebKit/mac/WebCoreSupport/WebFrameLoaderClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 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:
  *
  * 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 122 matching lines @@
     virtual bool dispatchDidLoadResourceFromMemoryCache(WebCore::DocumentLoader*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, int length);
 
     virtual void willChangeEstimatedProgress();
     virtual void didChangeEstimatedProgress();
     virtual void postProgressStartedNotification();
     virtual void postProgressEstimateChangedNotification();
     virtual void postProgressFinishedNotification();
     
     virtual void setMainFrameDocumentReady(bool);
 
-    virtual void startDownload(const WebCore::ResourceRequest&);
+    virtual void startDownload(const WebCore::ResourceRequest&, const String& suggestedName = String());
 
     virtual void willChangeTitle(WebCore::DocumentLoader*);
     virtual void didChangeTitle(WebCore::DocumentLoader*);
 
     virtual void committedLoad(WebCore::DocumentLoader*, const char*, int);
     virtual void finishedLoading(WebCore::DocumentLoader*);
     virtual void updateGlobalHistory();
     virtual void updateGlobalHistoryRedirectLinks();
 
     virtual bool shouldGoToHistoryItem(WebCore::HistoryItem*) const;
@@ skipping 89 matching lines @@
 
     virtual PassRefPtr<WebCore::FrameNetworkingContext> createNetworkingContext();
 
     virtual bool shouldPaintBrokenImage(const WebCore::KURL&) const;
 
     RetainPtr<WebFrame> m_webFrame;
 
     RetainPtr<WebFramePolicyListener> m_policyListener;
     WebCore::FramePolicyFunction m_policyFunction;
 };