Bug 1015780 - Make Moz2D's GetAlignedStride() faster. r=Bas

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extra : rebase_source : 6e87f0f91cd9cab03facb789f1fee700175ba102
Bug 1015646 - Add a memory reporter for SVGPathElement's SVGAnimatedPathSegList member. r=njn

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extra : rebase_source : 5eda3e1104cc6a75ec38774c072e6e3e2b3d7b1b