GitLab

Ports XMPP Invalidation code from drive_file_sync_service in /sync_file_system to /google_apis/drive_notification_manager so it can be shared between ChromeOS file manager and SyncFS.

Please note that to keep this patch streamlined I've only ported over the XMPP invalidation code for now and will port the polling logic in the next patch.

BUG=173339

Review URL: https://codereview.chromium.org/13866037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@194526 0039d316-1c4b-4281-b951-d872f2087c98