Backed out changesets a4f1cec360dd and 74a99b693466 (bug 822820) for robocop-1 failures.
Bug 886988 - Reset the nsChildView layer manager when we change the transparency mode. r=roc
Bug 865104 - Use double buffering for BasicCompositor. r=nrc
Bug 865104 - Support YCbCr images with BasicCompositor instead of doing the conversion on the main thread. r=nrc,nical
Bug 886134 - Make Datachannel DTLS/SCTP line forward-compatible with FF24 - target FF23 r=jesup
Bug 889963 - Unbust |mach build| when build terminal isn't present; r=ted

DONTBUILD (NPOTB)
No bug, Automated HSTS preload list update from host bld-linux64-ec2-324 - a=hsts-update
Bug 884134 - Fix ifdef to un-break B2G mochitest-3.
Merge m-c and inbound.
date:        Wed Jun 05 14:17:35 2013 -0500
Bug 875433 - Array.prototype.iterator is the same function object as .values. r=jorendorff.
Bug 865104 - Follow-up to fix build