Revert 195482 "Make DriveSystemService an observer of DriveNotif..."
This broke interactive_ui_tests on the Linux Chromium OS bots.
> Make DriveSystemService an observer of DriveNotificationManager so that it no longer has to handle registering for Drive XMPP notifications itself. This will also allow both SyncFileSystem and the ChromeOS Filemanager (and possibly more observers) to use XMPP notifications solving the problem from before where the same XMPP Invalidation ID was being registered twice.
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> Also removed polling code from SyncFS it's OKed to remove by both SyncFS and ChromeOS teams.
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> BUG=173339
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> Review URL: https://codereview.chromium.org/13891016
TBR=calvinlo@chromium.org
Review URL: https://codereview.chromium.org/14401006
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@195488 0039d316-1c4b-4281-b951-d872f2087c98
8 files changed
