Bug 877602 - Ensure the viewport-remeasure code runs when it's supposed to. r=Cwiiis
Bug 877602 - Refactor and clean up some code. No functional changes intended. r=Cwiiis
Bug 882042 - Remove horizontal scrollbar from select popups. r=rsilveira
Bug 892449 - Merge forms.css into platform.css. r=mbrubeck