WebCore:

WebCore:

        Reviewed by Hyatt and Lars.

        - fixed <rdar://problem/5201758> REGRESSION: Stop button enabled and other problems caused by [WebView currentURL] returning non-nil for empty window

        * WebCore.exp: export new symbol
        * loader/FrameLoader.cpp:
        (WebCore::FrameLoader::begin): move marker that we committed a real doc load from here...
        (WebCore::FrameLoader::transitionToCommitted): ...to here
        (WebCore::FrameLoader::frameHasLoaded): check that we have at least started loading something
        besides the initial empty doc.
        * loader/FrameLoader.h:

WebKit:

        Reviewed by Hyatt and Lars.

        - fixed <rdar://problem/5201758> REGRESSION: Stop button enabled and other problems caused by [WebView currentURL] returning non-nil for empty window

        * WebView/WebDataSource.mm:
        (-[WebDataSource request]): Return nil when we are still showing the initial empty doc

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@21479 268f45cc-cd09-0410-ab3c-d52691b4dbfc