When the kChromeUIScheme was made savable, it also broke the disabling of the encoding menu on those pages.
When the kChromeUIScheme was made savable, it also broke the disabling of the
encoding menu on those pages.

BUG=48157
TEST=On the NTP, Wrench menu --> Tools --> Encoding is disabled. On normal web pages, it isn't.

Review URL: http://codereview.chromium.org/3027023

git-svn-id: http://src.chromium.org/svn/trunk/src@53785 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: bc7c7c8017f9eba7503ef31154ddecf4a2d48323
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