Move instanced index buffer creation to flush time

src/gpu/GrAARectRenderer.h

Index: src/gpu/GrAARectRenderer.h
diff --git a/src/gpu/GrAARectRenderer.h b/src/gpu/GrAARectRenderer.h
index 3193f4bc3a4d83d4d9a522be22bfa36e2b56939e..023eadc34fdaa104502ce7d55ecfd8910c8e5f00 100644
--- a/src/gpu/GrAARectRenderer.h
+++ b/src/gpu/GrAARectRenderer.h
@@ -16,7 +16,6 @@
 
 class GrClip;
 class GrDrawTarget;
-class GrGpu;
 class GrIndexBuffer;
 class GrPipelineBuilder;
 
@@ -27,19 +26,6 @@ class GrAARectRenderer : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrAARectRenderer)
 
-    GrAARectRenderer(GrGpu* gpu)
-    : fGpu(gpu)
-    , fAAFillRectIndexBuffer(NULL)
-    , fAAMiterStrokeRectIndexBuffer(NULL)
-    , fAABevelStrokeRectIndexBuffer(NULL) {
-    }
-
-    void reset();
-
-    ~GrAARectRenderer() {
-        this->reset();
-    }
-
     // TODO: potentialy fuse the fill & stroke methods and differentiate
     // between them by passing in stroke (==NULL means fill).
 
@@ -84,11 +70,6 @@ private:
                               const SkRect& devInside,
                               bool miterStroke);
 
-    GrGpu*                      fGpu;
-    GrIndexBuffer*              fAAFillRectIndexBuffer;
-    GrIndexBuffer*              fAAMiterStrokeRectIndexBuffer;
-    GrIndexBuffer*              fAABevelStrokeRectIndexBuffer;
-
     typedef SkRefCnt INHERITED;
 };