Remove SkClipStack's manual rounding of BW clip rects

src/core/SkClipStack.cpp

Index: src/core/SkClipStack.cpp
diff --git a/src/core/SkClipStack.cpp b/src/core/SkClipStack.cpp
index e0c3db01ba0742439d8521bddad303957a557bee..a51185e95a8cff2b2564b442f69c41e943ed0146 100644
--- a/src/core/SkClipStack.cpp
+++ b/src/core/SkClipStack.cpp
@@ -419,13 +419,6 @@ void SkClipStack::Element::updateBoundAndGenID(const Element* prior) {
             break;
     }
 
-    if (!fDoAA) {
-        fFiniteBound.set(SkScalarFloorToScalar(fFiniteBound.fLeft+0.45f),
-                         SkScalarRoundToScalar(fFiniteBound.fTop),
-                         SkScalarRoundToScalar(fFiniteBound.fRight),
-                         SkScalarRoundToScalar(fFiniteBound.fBottom));
-    }
-
     // Now determine the previous Element's bound information taking into
     // account that there may be no previous clip
     SkRect prevFinite;