Bug 1023695 - Part 1: Define .idl/.ipdl for notifying Deleted Info. r=vyang.
Bug 1023695 - Part 2: Add implementation of .idl/.ipdl. r=vyang.
Bug 1023695 - Part 3: .webidl change to support ondeleted event. r=vyang,smaug.
Bug 1023695 - Part 4: Implementation of .webidl change. r=vyang,smaug.
Bug 1023695 - Part 5: Notify deleted info after DB has been changed. r=vyang.
Bug 1023695 - Part 6: Add Marionette Test Case to Verify ondeleted Event. r=vyang.