Always antialias clips in ClipDisplayItem.

third_party/WebKit/Source/platform/graphics/GraphicsContext.cpp

Index: third_party/WebKit/Source/platform/graphics/GraphicsContext.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsContext.cpp b/third_party/WebKit/Source/platform/graphics/GraphicsContext.cpp
index 3bdcb57502511206c71b6601fda5ea91a0fe2d76..9536579aab42a58fe5048e9d8cb6853a9a0dae52 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsContext.cpp
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsContext.cpp
@@ -1068,17 +1068,17 @@ void GraphicsContext::strokeEllipse(const FloatRect& ellipse)
     drawOval(ellipse, immutableState()->strokePaint());
 }
 
-void GraphicsContext::clipRoundedRect(const FloatRoundedRect& rrect, SkRegion::Op regionOp)
+void GraphicsContext::clipRoundedRect(const FloatRoundedRect& rrect, SkRegion::Op regionOp, AntiAliasingMode shouldAntialias)
 {
     if (contextDisabled())
         return;
 
     if (!rrect.isRounded()) {
-        clipRect(rrect.rect(), NotAntiAliased, regionOp);
+        clipRect(rrect.rect(), shouldAntialias, regionOp);
         return;
     }
 
-    clipRRect(rrect, AntiAliased, regionOp);
+    clipRRect(rrect, shouldAntialias, regionOp);
 }
 
 void GraphicsContext::clipOut(const Path& pathToClip)