Bug 735898. Part 0: Fix comment.

This commit is contained in:
Robert O'Callahan 2012-04-11 16:48:37 +12:00
parent c2a44a051f
commit 04eb195d7e

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@ -651,8 +651,9 @@ public:
/**
* @param aSnap set to true if the edges of the rectangles of the opaque
* region would be snapped to device pixels when drawing
* @return a region of the item that is opaque --- every pixel painted
* with an opaque color. This is useful for determining when one piece
* @return a region of the item that is opaque --- that is, every pixel
* that is visible (according to ComputeVisibility) is painted with an opaque
* color. This is useful for determining when one piece
* of content completely obscures another so that we can do occlusion
* culling.
*/