Merge 88474 - 2011-06-09 Julien Chaffraix <jchaffraix@webkit.org>

Merge 88474 - 2011-06-09  Julien Chaffraix  <jchaffraix@webkit.org>;

        Reviewed by Darin Adler.

        Test for WebCore::WebKitCSSKeyframesRuleInternal::nameAttrSetter() - crash
        https://bugs.webkit.org/show_bug.cgi?id=62384

        * fast/css/webkit-keyframes-crash-expected.txt: Added.
        * fast/css/webkit-keyframes-crash.html: Added.
2011-06-09  Julien Chaffraix  <jchaffraix@webkit.org>;

        Reviewed by Darin Adler.

        WebCore::WebKitCSSKeyframesRuleInternal::nameAttrSetter() - crash
        https://bugs.webkit.org/show_bug.cgi?id=62384

        Test: fast/css/webkit-keyframes-crash.html

        * css/WebKitCSSKeyframesRule.cpp:
        (WebCore::WebKitCSSKeyframesRule::setName): stylesheet() is never garanteed
        to return a non-null pointer. Thus null-check here like the rest of the code.

TBR=jchaffraix@webkit.org
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=89443