Fixes crash on startup with compact nav. A recent change meant it's possible for GetLocationBarView to be invoked before the compact nav classes have been created. This makes sure we don't crash if that happens.
Fixes crash on startup with compact nav. A recent change meant it's
possible for GetLocationBarView to be invoked before the compact nav
classes have been created. This makes sure we don't crash if that
happens.

BUG=89843
TEST=none
TBR=pkasting@chromium.org,stevet@chromium.org

Review URL: http://codereview.chromium.org/7492005

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@93545 0039d316-1c4b-4281-b951-d872f2087c98

yitian134/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,adobe/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,yitian134/chromium,ropik/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,adobe/chromium