Don't create new tabs for middle clicks on bookmark items when the user releases off the item.
Don't create new tabs for middle clicks on bookmark items when the user releases off the item.

BUG=14518
TEST=see bug

Review URL: http://codereview.chromium.org/155902

git-svn-id: http://src.chromium.org/svn/trunk/src@21254 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8a51476ac9019f930ada7fb835c1f81a1294bec2
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