[chromium] fast/repaint/4776765.html passes on the chromium bots
https://bugs.webkit.org/show_bug.cgi?id=103955

Unreviewed w/end gardening.

* platform/chromium-linux-x86/fast/repaint/4776765-expected.png: Removed.
* platform/chromium-win-xp/fast/repaint/4776765-expected.png: Removed.
* platform/chromium/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139539 268f45cc-cd09-0410-ab3c-d52691b4dbfc