override new virtual onDrawDRRect in util canvas subclasses

include/utils/SkDeferredCanvas.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkDeferredCanvas_DEFINED
 #define SkDeferredCanvas_DEFINED
 
@@ skipping 182 matching lines @@
                                 const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPicture(SkPicture& picture) SK_OVERRIDE;
     virtual void drawVertices(VertexMode vmode, int vertexCount,
                               const SkPoint vertices[], const SkPoint texs[],
                               const SkColor colors[], SkXfermode* xmode,
                               const uint16_t indices[], int indexCount,
                               const SkPaint& paint) SK_OVERRIDE;
     virtual SkBounder* setBounder(SkBounder* bounder) SK_OVERRIDE;
     virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE;
 
+protected:
+    virtual void onDrawDRRect(const SkRRect&, const SkRRect&,
+                              const SkPaint&) SK_OVERRIDE;
+
 public:
     class NotificationClient {
     public:
         virtual ~NotificationClient() {}
 
         /**
          *  Called before executing one or several draw commands, which means
          *  once per flush when deferred rendering is enabled.
          */
         virtual void prepareForDraw() {}
@@ skipping 34 matching lines @@
     void validate() const;
     void init();
     bool            fDeferredDrawing;
 
     friend class SkDeferredCanvasTester; // for unit testing
     typedef SkCanvas INHERITED;
 };
 
 
 #endif