Bug 1057558 - Fix IPC test results not being reported in first iframe. r=drno
Bug 1057558 - temporarily exclude devicestorage test_dirs.html from IPC tests. r=akachkach
Bug 1042489 - Call DrainOverflowColumns() to pick up any overflow frames from our prev-in-flow.  r=roc
Bug 1041128 - Allow duplicate properties in object literals r=jorendorff
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Bug 1041128 - Duplicate property name in object literal is allowed in ES6 strict mode part 2 r=Waldo
Bug 694696 - mute video if volume is set down to 0. r=jaws
Bug 839735 - Enable test cases, which are disable because of scrollbar fade out effect. r=ahal