update dox for bounds in supersampler

src/core/SkScan_AntiPath.cpp

Index: src/core/SkScan_AntiPath.cpp
diff --git a/src/core/SkScan_AntiPath.cpp b/src/core/SkScan_AntiPath.cpp
index 6049e7909b4b3b20f77826e565738d7db8c85177..158f34d265bc352562412014ef3abe285b313c0c 100644
--- a/src/core/SkScan_AntiPath.cpp
+++ b/src/core/SkScan_AntiPath.cpp
@@ -83,6 +83,8 @@ BaseSuperBlitter::BaseSuperBlitter(SkBlitter* realBlit, const SkIRect& ir, const
 
     SkIRect sectBounds;
     if (isInverse) {
+        // We use the clip bounds instead of the ir, since we may be asked to
+        //draw outside of the rect when we're a inverse filltype
         sectBounds = clip.getBounds();
     } else {
         if (!sectBounds.intersect(ir, clip.getBounds())) {
@@ -90,10 +92,6 @@ BaseSuperBlitter::BaseSuperBlitter(SkBlitter* realBlit, const SkIRect& ir, const
         }
     }
 
-    /*
-     *  We use the clip bounds instead of the ir, since we may be asked to
-     *  draw outside of the rect if we're a inverse filltype
-     */
     const int left = sectBounds.left();
     const int right = sectBounds.right();