Limit display length of back/forward menu page titles to 700px.
Limit display length of back/forward menu page titles to 700px.

BUG=63404
TEST=manual

Review URL: http://codereview.chromium.org/5246002

git-svn-id: http://src.chromium.org/svn/trunk/src@67009 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 75f81937a74543cd0f3e0bfb0919d2a859a3b6d9
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