Oval and stroke AA rect now batch

src/gpu/GrGpu.h

Index: src/gpu/GrGpu.h
diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index 54fe471c88c2fceccbed9013337333277d8a4e72..545673d09b1e15f8ede10754b04c784da2d72f70 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -142,6 +142,13 @@ public:
      */
     GrIndexBuffer* createIndexBuffer(size_t size, bool dynamic);
 
+    //TODO comment
+    GrIndexBuffer* createInstancedIndexBuffer(const uint16_t* pattern,
+                                              int patternSize,
+                                              int reps,
+                                              int vertCount,
+                                              bool isDynamic = false) const;
+
     /**
      * Returns an index buffer that can be used to render quads.
      * Six indices per quad: 0, 1, 2, 0, 2, 3, etc.