Revert r25138, changes to string handling in traceline.
Revert r25138, changes to string handling in traceline.

It was committed without review.

Review URL: http://codereview.chromium.org/187006


git-svn-id: http://src.chromium.org/svn/trunk/src@25170 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 386cfe475b21f3cd578439aad91afcc84e9d7a25
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