Bug 810399 - Widget bits. r=roc
Bug 810399 - Add new css selectors and media queries for windows os versions. r=bz
Bug 888635 - Update pdf.js to version 0.8.291. r=bdahl
bug 870407: move CMMSRCS to mozbuild (file batch #2) r=mshal
Backed out changeset a6637e9e5731 (bug 855998) for Windows mochitest-other failures.