Add some temporary instrumentation to help track down a crasher.
Add some temporary instrumentation to help track down a crasher.

BUG=40447
TBR=huanr
Review URL: http://codereview.chromium.org/1585019

git-svn-id: http://src.chromium.org/svn/trunk/src@43821 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: a60f73683fd98879e8bb7a34c10690748f92bdba
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