app_list: Clear start page contents on NOTIFICATION_PROFILE_DESTROYED
commitac07751041a5ff40c46070ebad86aa6ebc82f9b6
authorxiyuan@chromium.org <xiyuan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Tue, 5 Nov 2013 17:18:31 +0000 (5 17:18 +0000)
committerxiyuan@chromium.org <xiyuan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Tue, 5 Nov 2013 17:18:31 +0000 (5 17:18 +0000)
treef8fd1cd09545d6a9237ba9e097734816bd4d5c66
parentf3cd7ed06b2f519c2cfedba22d0becb90cba1f81
app_list: Clear start page contents on NOTIFICATION_PROFILE_DESTROYED

NOTIFICATION_APP_TERMINATING could happen before closing app list bubble
on shutdown and breaks the assumption that start page contents should
out-live app list.

BUG=314567
R=mukai@chromium.org

Review URL: https://codereview.chromium.org/57943005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233015 0039d316-1c4b-4281-b951-d872f2087c98
chrome/browser/ui/app_list/start_page_service.cc
chrome/browser/ui/app_list/start_page_service.h