Fix the ChromeFrame back forward test failures on the builder by reverting to the original mock  specifications. These test still fail on my machine. Will debug that and submit a fix in a subsequent CL.
Fix the ChromeFrame back forward test failures on the builder by reverting to the original mock 
specifications. These test still fail on my machine. Will debug that and submit a fix in a subsequent
CL.

TBR=amit

Review URL: http://codereview.chromium.org/1027001

git-svn-id: http://src.chromium.org/svn/trunk/src@41665 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 3ff47983af481635634b9262f0e93b9d6f5551b4
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