Uninitialized member vars in CacheDumper.
Uninitialized member vars in CacheDumper.

BUG=None
TEST=None
CID=4913

Review URL: http://codereview.chromium.org/3155006

git-svn-id: http://src.chromium.org/svn/trunk/src@55861 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 9cf20ee45a1e7cadd86b632c107711af396a38f3
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