Adam Barth f7d1856bd0 Compute paint bounds from cull rects
Rather than relying upon the rects passed in from Dart, the compositor
should compute the paint bounds of layers from the cull rects of the
underlying SkPictures. This approach is better because it will handle
effects like shadows that paint outside the incorrect paint bounds we
use today (as well as shrinking around empty space).
2016-01-08 16:05:34 -08:00
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