WebCore:

WebCore:

        Reviewed by Geoff.

        <rdar://problem/5430165>
        REGRESSION: Dynamically loaded images fail to load

        * html/HTMLImageLoader.cpp:
        (WebCore::HTMLImageLoader::HTMLImageLoader):
        Initialize the m_elementIsProtected member.

        (WebCore::HTMLImageLoader::~HTMLImageLoader):
        Assert that the element is not protected.

        (WebCore::HTMLImageLoader::setLoadingImage):
        If the image is not null, protect the element. Otherwise, unprotect it.

        (WebCore::HTMLImageLoader::dispatchLoadEvent):
        Unprotect the element here.

        (WebCore::HTMLImageLoader::protectElement):
        (WebCore::HTMLImageLoader::unprotectElement):
        New methods which protect and unprotect the element.

        * html/HTMLImageLoader.h:

LayoutTests:

        Reviewed by Geoff.

        <rdar://problem/5430165>
        REGRESSION: Dynamically loaded images fail to load

        * fast/dom/HTMLImageElement/image-loading-gc-expected.txt: Added.
        * fast/dom/HTMLImageElement/image-loading-gc.html: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@25227 268f45cc-cd09-0410-ab3c-d52691b4dbfc