Add device space "nudge" to gpu draws

src/core/SkClipStack.cpp

Index: src/core/SkClipStack.cpp
diff --git a/src/core/SkClipStack.cpp b/src/core/SkClipStack.cpp
index 515596a9693451f3a8bc05b932405ef20ac975b4..863dc9a387d1cb2fb69094ec320e0317e85e8fee 100644
--- a/src/core/SkClipStack.cpp
+++ b/src/core/SkClipStack.cpp
@@ -418,19 +418,6 @@ void SkClipStack::Element::updateBoundAndGenID(const Element* prior) {
             break;
     }
 
-    if (!fDoAA) {
-        // Here we mimic a non-anti-aliased scanline system. If there is
-        // no anti-aliasing we can integerize the bounding box to exclude
-        // fractional parts that won't be rendered.
-        // Note: the left edge is handled slightly differently below. We
-        // are a bit more generous in the rounding since we don't want to
-        // risk missing the left pixels when fLeft is very close to .5
-        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;