Fixes crash in Browser::Observe. We can end up here during creation of the window, at which point window_ is NULL. This can happen because SHAppBarMessage runs a nested message loop pumping events. I suspect the right fix is to not invoke SHAppBarMessage, but that'll have to be done separately.
Fixes crash in Browser::Observe. We can end up here during creation of
the window, at which point window_ is NULL. This can happen because
SHAppBarMessage runs a nested message loop pumping events. I suspect
the right fix is to not invoke SHAppBarMessage, but that'll have to be
done separately.

BUG=94614
TEST=none
R=ben@chromium.org

Review URL: http://codereview.chromium.org/7792014

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@98839 0039d316-1c4b-4281-b951-d872f2087c98

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