Bug 1097405 - Clean up imgStatusTracker's Difference APIs. r=tn
Bug 1097431 - Carry over the minimal set of imgStatusTracker flags between multipart parts. r=tn
Bug 1097432 (Part 1) - Remove imgStatusTracker::Send* methods and clean up. r=tn
Bug 1097432 (Part 2) - Clean up imgStatusTracker's interface. r=tn
Bug 1097432 (Part 3) - Rename imgStatusTracker to ProgressTracker and ImageStatusDiff to Progress. r=tn

--HG--
rename : image/src/imgStatusTracker.cpp => image/src/ProgressTracker.cpp
rename : image/src/imgStatusTracker.h => image/src/ProgressTracker.h
Bug 1098108 (Part 1) - Don't overwrite nsICODecoder's progress with the contained decoder's progress. r=tn
Bug 1098108 (Part 2) - Don't send DECODE_STOPPED or ONLOAD_UNBLOCKED for size decodes. r=tn
Bug 1098108 (Part 3) - Record REQUEST* notifications for imgTools decodes. r=tn
Bug 1098108 (Part 4) - Make resniffed multipart requests progress like normal requests. r=tn
Bug 1098108 (Part 5) - Check consistency whenever progress changes in ProgressTracker. r=tn