WebUI: adjust list redrawing to account for resizing lead items without scroll events. BUG=76562 TEST=see bug; should not get empty space after certain interactions in cookie list Review URL: http://codereview.chromium.org/6731063
WebUI: adjust list redrawing to account for resizing lead items without scroll events.
BUG=76562
TEST=see bug; should not get empty space after certain interactions in cookie list
Review URL: http://codereview.chromium.org/6731063

git-svn-id: http://src.chromium.org/svn/trunk/src@79755 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 547a6fd1592a72c354c35d3f42a34b8ca95fe975
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