Mark xmlhttprequest-open-after-iframe-onload-remove-self.html as flaky for linux.
Mark xmlhttprequest-open-after-iframe-onload-remove-self.html as flaky for linux.

BUG=18206
TEST=none
TBR=tc

Review URL: http://codereview.chromium.org/165050

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@22604 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser