Initialize delegate_ with NULL to pervent calling method on uninitialized reference. This was causing crash on screen locker.
Initialize delegate_ with NULL to pervent calling method on uninitialized reference.
This was causing crash on screen locker.

BUG=chromium-os: 6417
TEST=none

Review URL: http://codereview.chromium.org/3296011

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@58795 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