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..e4669a25c506fa30baee1349a9d86b1822186ce8 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -143,6 +143,25 @@ public:
     GrIndexBuffer* createIndexBuffer(size_t size, bool dynamic);
 
     /**
+     * Creates an index buffer for instance drawing with a specific pattern.
+     *
+     * @param pattern     the pattern to repeat
+     * @param patternSize size in bytes of the pattern
+     * @param reps        number of times to repeat the pattern
+     * @param vertCount   number of vertices the pattern references
+     * @param dynamic     hints whether the data will be frequently changed
+     *                    by either GrIndexBuffer::map() or
+     *                    GrIndexBuffer::updateData().
+     *
+     * @return The index buffer if successful, otherwise NULL.
+     */
+    GrIndexBuffer* createInstancedIndexBuffer(const uint16_t* pattern,
+                                              int patternSize,
+                                              int reps,
+                                              int vertCount,
+                                              bool isDynamic = false);
+
+    /**
      * Returns an index buffer that can be used to render quads.
      * Six indices per quad: 0, 1, 2, 0, 2, 3, etc.
      * The max number of quads can be queried using GrIndexBuffer::maxQuads().