Bug 931915, part 1 - Add an AppendRoundedRectToPath helper to Moz2D. r=Bas

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extra : rebase_source : 67835ef53a446f37919d34021fcb80aa38dd7da8
Bug 931915, part 2 - Make gfxContext::RoundedRectangle use Moz2D's AppendRoundedRectToPath helper. r=Bas

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extra : rebase_source : e42577c112c2154b13e7e91cb4d7e54a30a411ce
Bug 931996 - Add an AppendEllipseToPath helper to Moz2D. r=Bas

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extra : rebase_source : 75592379b93e5574ff1bb4116ce8b90b62c4f8a1