extensions_downloader.cc (extensions, retail mode AppPack)
gaia_oauth_fetcher.cc
gaia_oauth_client.cc
device_management_service.cc (user/device policy fetches, auto-enrollment)
All of these have been noticed to fail when network change notifications are sent, in particular on ChromeOS.
TBR=jochen
BUG=145021,163710,130602,chromium-os:16114
Review URL: https://codereview.chromium.org/11572044
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@173232 0039d316-1c4b-4281-b951-d872f2087c98