Bug 980272 - Make DataSourceSurfaceD2D::Map set mIsMapped. r=Bas

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extra : rebase_source : cb485b1cf09dc570fed1e495ce7bfd83b03788c8
Bug 979853 - Convert the Windows widget consumers of imgIContainer::GetFrame to act on a Moz2D SourceSurface instead of a Thebes gfxASurface. r=mattwoodrow

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extra : rebase_source : 12e05d7d6b80669e38b959d3fe9986a179f60cb6
Bug 980472 - Make SurfaceToPackedBGRA take a DataSourceSurface to avoid unnecessary surface conversion. r=Bas

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extra : rebase_source : c11c7ead8897255b3012495cc66beed27142275a