Bug 950312 - Part 1: Copy mix-blend-mode proprties to the compositor layer tree. r=roc
Bug 950312 - Part 2: Add Effect for BlendModes. r=nical
Bug 950312 - Part 3: Add Layers API to see what blend modes are supported. r=roc
Bug 950312 - Part 4: Create active layers for nsDisplayMixBlendMode and nsDisplayBlendContainer if the layer manager supports all contained blend mode. r=roc
Bug 950312 - Part 5: Implement SCREEN and MULTIPLY for CompositorOGL. r=mtseng
Bug 950312 - Part 6: Share code for computing layers component alpha support. r=roc
Bug 950312 - Part 7: Disable component alpha for layers with a mix-blend-mode. r=roc