added GrMSAAPathRenderer

src/gpu/GrPathRendererChain.cpp

Index: src/gpu/GrPathRendererChain.cpp
diff --git a/src/gpu/GrPathRendererChain.cpp b/src/gpu/GrPathRendererChain.cpp
index d9717d51cb345464ffcc34c9c9c30f1e245577ad..7777947b10fa6b442df9c1d3bb931b2304118336 100644
--- a/src/gpu/GrPathRendererChain.cpp
+++ b/src/gpu/GrPathRendererChain.cpp
@@ -21,9 +21,10 @@
 #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();
@@ -33,6 +34,9 @@ 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();