Privatize GrBatch subclass overrides

src/gpu/batches/GrDrawVerticesBatch.h

Index: src/gpu/batches/GrDrawVerticesBatch.h
diff --git a/src/gpu/batches/GrDrawVerticesBatch.h b/src/gpu/batches/GrDrawVerticesBatch.h
index 8864b168984963ae55e1d142eba213414cc8680d..18ddee0a3b70362d83eb3444aec0b48bf623201c 100644
--- a/src/gpu/batches/GrDrawVerticesBatch.h
+++ b/src/gpu/batches/GrDrawVerticesBatch.h
@@ -45,12 +45,11 @@ public:
 
     void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override;
 
-    void initBatchTracker(const GrPipelineOptimizations&) override;
-
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
 private:
     void onPrepareDraws(Target*) override;
+    void initBatchTracker(const GrPipelineOptimizations&) override;
 
     GrDrawVerticesBatch(const Geometry& geometry, GrPrimitiveType primitiveType,
                         const SkMatrix& viewMatrix,