Speculative fix for http://b/issue?id=1377375 (crashing bug when opening a popup). I wasn't able to repro the bug, but I've spent far too long trying to do so already. This seems like the right fix. 
Speculative fix for http://b/issue?id=1377375 (crashing bug when opening a popup).
I wasn't able to repro the bug, but I've spent far too long trying to do so
already. This seems like the right fix. 

Will wait to see that it actually fixes the crash in the wild and then
upstream the change to webkit.
Review URL: http://codereview.chromium.org/4102

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@2626 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