Bug 864993 - Add app update metrics to FHR; r=rnewman
Bug 878958: Implement ChildDebuggerTransport, a debug protocol transport for communicating with content child processes via process message managers. r=dcamp

Transport classes (or prototypes?) should have a label that the requester telemetry stuff can cite, instead of that freaky check we have now.
Bug 892544 - Stub out exception handling code. r=h4writer
Bug 893019 - make addNamed() return absolute paths in parent process, r=dhylands