Move instanced index buffer creation to flush time

src/gpu/GrOvalRenderer.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrOvalRenderer_DEFINED
 #define GrOvalRenderer_DEFINED
 
 #include "GrContext.h"
 #include "GrPaint.h"
 
 class GrContext;
 class GrDrawTarget;
 class GrPaint;
 struct SkRect;
 class SkStrokeRec;
 
 /*
  * This class wraps helper functions that draw ovals and roundrects (filled & stroked)
  */
 class GrOvalRenderer : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrOvalRenderer)
 
-    GrOvalRenderer(GrGpu* gpu)
-        : fGpu(gpu)
-        , fRRectIndexBuffer(NULL)
-        , fStrokeRRectIndexBuffer(NULL) {}
-    ~GrOvalRenderer() {
-        this->reset();
-    }
-
-    void reset();
-
     bool drawOval(GrDrawTarget*,
                   GrPipelineBuilder*,
                   GrColor,
                   const SkMatrix& viewMatrix,
                   bool useAA,
                   const SkRect& oval,
                   const SkStrokeRec& stroke);
     bool drawRRect(GrDrawTarget*,
                    GrPipelineBuilder*,
                    GrColor,
@@ skipping 25 matching lines @@
                        const SkRect& ellipse,
                        const SkStrokeRec& stroke);
     void drawCircle(GrDrawTarget* target,
                     GrPipelineBuilder*,
                     GrColor,
                     const SkMatrix& viewMatrix,
                     bool useCoverageAA,
                     const SkRect& circle,
                     const SkStrokeRec& stroke);
 
-    GrGpu*         fGpu;
-    GrIndexBuffer* fRRectIndexBuffer;
-    GrIndexBuffer* fStrokeRRectIndexBuffer;
-
     typedef SkRefCnt INHERITED;
 };
 
 #endif // GrOvalRenderer_DEFINED