2008-03-17  Yuzhu Shen  <yuzhu.shen@gmail.com>

        Reviewed by Darin.

        Fix the bug: http://bugs.webkit.org/show_bug.cgi?id=17760
        It is necessary to load the image even when src="".

        Test: fast/images/load-img-with-empty-src.html

        * html/HTMLImageLoader.cpp:
        (WebCore::HTMLImageLoader::updateFromElement): isNull rather than isEmpty.

LayoutTests:

2008-03-17  Yuzhu Shen  <yuzhu.shen@gmail.com>

        Reviewed by Darin.

        Bug: http://bugs.webkit.org/show_bug.cgi?id=17760
        Test whether <img> tries to load image with empty src attribute.

        * fast/images/load-img-with-empty-src-expected.txt: Added.
        * fast/images/load-img-with-empty-src.html: Added.
        * fast/images/resources/test-load.jpg: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@31097 268f45cc-cd09-0410-ab3c-d52691b4dbfc