Adam Barth 75b5912bd2 Break dependency from Layer to PaintContext (flutter/engine#2609)
Instead, make Layer::Paint take a new PaintContext that has just exactly
the state that it needs, mirroring PrerollContext. Also, rename
PaintContext to CompositorContext because it holds the context for the
whole compositor.
2016-04-21 23:05:41 -07:00
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