Bug 911862 - Make VectorImage use the refresh driver to send out frame change notifications. r=dholbert
Bug 907503 - Fix invalidation for SMIL animation in SVG-as-an-image. r=roc
Bug 907503 - Test that invalidation works for SMIL animation in SVG-as-an-image. r=longsonr
Bug 912302 - Slim down TraceLogging output by shortening entry keys and timestamps. r=h4writer

--HG--
extra : rebase_source : c6eb53e295f648267c0dfbcf7f34709a3eccf15a
Bug 892203 - Minor cleanups in sandbox.cpp. r=bholley
Bug 892203 - DOMConstructors for SandboxOptions. r=bholley
Bug 892203 - TextEncoder and TextDecoder for sandbox. r=bholley