Special behaviour for menu=off mode.
Special behaviour for menu=off mode.

Regression was introduced in r76322 dated Mar 1 00:26:03 2011 +0000
We should not fall to any parent page in menu=off mode

(In menu=off mode (used for proxy settings in login screen:
chrome://settings/proxy?menu=off) we want to hide any parent pages and navbar.)

BUG=chromium-os:12732
TEST=Manual

Review URL: http://codereview.chromium.org/6624043

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@77631 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser