Fix chrome frame upgrade from old to new beta. During upgrade process, two versions of chrome frame may get loaded in IE at the same time. We have code to fallback to the old version in case this happens. However a small overight in declaring a local variable twice in different scopes led to these checks to fail.
Fix chrome frame upgrade from old to new beta. During upgrade process, two versions of chrome
frame may get loaded in IE at the same time. We have code to fallback to the old version in
case this happens. However a small overight in declaring a local variable twice in different
scopes led to these checks to fail.

BUG=51620
TEST=test upgrade from 5.0.375.125 to 6.0.472.XXX while IE is running and try 'Open in New window' etc.. 

Review URL: http://codereview.chromium.org/3136009

git-svn-id: http://src.chromium.org/svn/trunk/src@55939 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c442028600298c0980e151fbc7184f1c31d69c9d
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