Pascal Massimino 027151ca6c don't erase the surface before blitting.
It's done at HTML level with canvas.clearRect()

BUG=webp:261

Change-Id: I83c73791f5922cd1f426f19faf856fa1cf8f0311
2017-02-08 16:07:08 +00:00
..
2017-01-23 18:07:00 -08:00
2017-01-23 18:07:00 -08:00
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