Privatize GrBatch subclass overrides

src/gpu/batches/GrAAStrokeRectBatch.h

Index: src/gpu/batches/GrAAStrokeRectBatch.h
diff --git a/src/gpu/batches/GrAAStrokeRectBatch.h b/src/gpu/batches/GrAAStrokeRectBatch.h
index 2c6b0dbcf023883c44e8e7c1b3393186a38a0f8d..f74c33c6342d363c2580fa2c082b463eb772be03 100644
--- a/src/gpu/batches/GrAAStrokeRectBatch.h
+++ b/src/gpu/batches/GrAAStrokeRectBatch.h
@@ -42,12 +42,11 @@ public:
         out->setUnknownSingleComponent();
     }
 
-    void initBatchTracker(const GrPipelineOptimizations&) override;
-
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
 private:
     void onPrepareDraws(Target*) override;
+    void initBatchTracker(const GrPipelineOptimizations&) override;
 
     GrAAStrokeRectBatch(const Geometry& geometry, const SkMatrix& viewMatrix)  {
         this->initClassID<GrAAStrokeRectBatch>();