Bug 1016145 - Load the non-SVG user-agent style sheets for non-SVG documents served as image/svg+xml. r=bz

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extra : rebase_source : e48c0a6041a38fd1d056ad510268c5df23bf225e
Bug 1019690 - Remove gfxPlatform::CreateOffscreenImageSurface(). r=Bas

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extra : rebase_source : 3c79945a1179d7b7bb128278eae0642156460df0
Bug 1019681 - Remove gfxASurface's MovePixels() and FastMovePixels() methods and their overrides. r=Bas

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extra : rebase_source : 49445275b3b6ad94ffb2f9f4375e6a81ebf2842c