Ensure that we use a normal browser window as parent for HTML dialogs on ChromeOS.
Ensure that we use a normal browser window as parent for HTML dialogs on ChromeOS.

BUG=chromium-os:2671
TEST=Verify fix for chromius-os:2671.

Review URL: http://codereview.chromium.org/2085003

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@47215 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