Implement vertex buffer caching in the tessellated path renderer.

src/gpu/GrAddPathRenderers_default.cpp

Index: src/gpu/GrAddPathRenderers_default.cpp
diff --git a/src/gpu/GrAddPathRenderers_default.cpp b/src/gpu/GrAddPathRenderers_default.cpp
index 963bbb946333dcfdb8ecb95d30e87d92806ac88f..f3f6a06901067e633aec31ce2aff156b4af717f0 100644
--- a/src/gpu/GrAddPathRenderers_default.cpp
+++ b/src/gpu/GrAddPathRenderers_default.cpp
@@ -29,7 +29,7 @@ void GrPathRenderer::AddPathRenderers(GrContext* ctx, GrPathRendererChain* chain
         chain->addPathRenderer(pr)->unref();
     }
 #if GR_TESSELLATING_PATH_RENDERING
-    chain->addPathRenderer(new GrTessellatingPathRenderer)->unref();
+    chain->addPathRenderer(new GrTessellatingPathRenderer(ctx))->unref();
 #endif
     if (GrPathRenderer* pr = GrAAHairLinePathRenderer::Create()) {
         chain->addPathRenderer(pr)->unref();