Fixes slight shift when a pinned tab is dragged with non-pinned tabs.
Fixes slight shift when a pinned tab is dragged with non-pinned tabs.

BUG=none
TEST=none
R=ben@chromium.org

Review URL: http://codereview.chromium.org/6838020

git-svn-id: http://src.chromium.org/svn/trunk/src@81470 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8287064914f9addb87bd06e309fcb12dfd593a62
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