Exit fullscreen when creating new tab by search key.
Exit fullscreen when creating new tab by search key.

BUG=chromium-os:6591
TEST=manual: exter full screen, hit search key (left win key on desktop). it should exit full screen and show new tab page.

Review URL: http://codereview.chromium.org/3483007

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@60321 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