Neither of the hit tests in WebViewImpl worked if the page had scrolled.  This makes it work.
Neither of the hit tests in WebViewImpl worked if the page had scrolled.  This makes it work.

BUG=25261, 22810
TEST=Scroll the page down and test functionality...

Review URL: http://codereview.chromium.org/305003

git-svn-id: http://src.chromium.org/svn/trunk/src@29474 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 2aa3ebe0668245523dbb28a7d795ab657e0e765f
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser