Coverity: Remove two unused member variables.
Coverity: Remove two unused member variables.

CID=6087
BUG=none
TEST=none
Review URL: http://codereview.chromium.org/242039

git-svn-id: http://src.chromium.org/svn/trunk/src@27409 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: ebe8e60e1cf3226b2d83e1b50d1bb999002dde0e
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