added GrMSAAPathRenderer
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1834133003

Committed: https://skia.googlesource.com/skia/+/47a2dc8e229e93e1bcf7405747320920da1ab742

Committed: https://skia.googlesource.com/skia/+/b0fabd4ed55abcb6f5ed2f331c96c783f42bd37c

Review-Url: https://codereview.chromium.org/1834133003
diff --git a/src/gpu/GrPathRendererChain.cpp b/src/gpu/GrPathRendererChain.cpp
index 098d8fb..e19a134 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 @@
                                                                    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();