Bug 831507 - Add generational-gc post-write barriers to baseline compiler. r=jandem
Bug 876725.  Make use of IDL default string values in CSSStyleDeclaration to simplify the code.  r=smaug
Bug 876805.  Fix unsafe reference gc hazards in dom/ code.  r=smaug
Bug 877085: Fix crash when trying to obtain the width of non-disappearing scrollbars. r=smichaud
Bug 856822: Annotate ~1700 methods with MOZ_OVERRIDE in /content r=smaug