Bug 1093806 - Convert DCFromContext to DCFromDrawTarget. r=Bas
Bug 1093813 - Remove the gfxContext argument from gfxHarfBuzzShaper's GetGlyphHAdvance, GetGlyphVAdvance and GetGlyphVOrigin methods. r=jfkthame
Bug 1093811 - Convert the gfxFont::GetGlyphWidth() virtual method to take a Moz2D DrawTarget instead of a Thebes gfxContext. r=jfkthame