added GrMSAAPathRenderer

src/gpu/GrPathRendererChain.cpp

Index: src/gpu/GrPathRendererChain.cpp
diff --git a/src/gpu/GrPathRendererChain.cpp b/src/gpu/GrPathRendererChain.cpp
index 098d8fb2d958af004f783773df1935e5cd94db7e..e19a134467a869311902fc31eec50574c38f9df0 100644
--- a/src/gpu/GrPathRendererChain.cpp
+++ b/src/gpu/GrPathRendererChain.cpp
@@ -20,9 +20,10 @@
 #include "batches/GrAALinearizingConvexPathRenderer.h"
 #include "batches/GrDashLinePathRenderer.h"
 #include "batches/GrDefaultPathRenderer.h"
+#include "batches/GrMSAAPathRenderer.h"
+#include "batches/GrPLSPathRenderer.h"
 #include "batches/GrStencilAndCoverPathRenderer.h"
 #include "batches/GrTessellatingPathRenderer.h"
-#include "batches/GrPLSPathRenderer.h"
 
 GrPathRendererChain::GrPathRendererChain(GrContext* context) {
     const GrCaps& caps = *context->caps();
@@ -32,6 +33,9 @@ GrPathRendererChain::GrPathRendererChain(GrContext* context) {
                                                                    caps)) {
         this->addPathRenderer(pr)->unref();
     }
+    if (caps.sampleShadingSupport()) {
+        this->addPathRenderer(new GrMSAAPathRenderer)->unref();
+    }
     this->addPathRenderer(new GrTessellatingPathRenderer)->unref();
     this->addPathRenderer(new GrAAHairLinePathRenderer)->unref();
     this->addPathRenderer(new GrAAConvexPathRenderer)->unref();