Bug 1105834 - Part 1: Add CreateDataSourceSurfaceByCloning to moz2d. r=mstange,bas

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extra : rebase_source : 361ea428e03d80c31d9041809afcdab7ae3a32e6
Bug 1105834 - Part 2: Add layers.dump-texture feature. r=mstange

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extra : rebase_source : 8c83823acbfda0c8ed812ac9c5137ba4cdbe054b
Bug 1105834 - Part 3: Add lz4 support. r=jrmuizel

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extra : rebase_source : 10d4a17018bf62c96f89bd12000d8ee3b3d0b89f
Bug 1087435 - Fix accidental return. r=me