Remove batchtracker

src/gpu/batches/GrDrawPathBatch.h

Index: src/gpu/batches/GrDrawPathBatch.h
diff --git a/src/gpu/batches/GrDrawPathBatch.h b/src/gpu/batches/GrDrawPathBatch.h
index dee4d991523150e1740e09feae70da829e188bfa..71ef9d42b482de9dc5f5002c986162011fb894ed 100644
--- a/src/gpu/batches/GrDrawPathBatch.h
+++ b/src/gpu/batches/GrDrawPathBatch.h
@@ -39,9 +39,6 @@ protected:
     const SkMatrix& viewMatrix() const { return fViewMatrix; }
     GrColor color() const { return fColor; }
 
-    // TODO delete
-    const GrBatchTracker* tracker() const { return &fBatchTracker; }
-
 private:
     void initBatchTracker(const GrPipelineOptimizations& opts) override {
         opts.getOverrideColorIfSet(&fColor);
@@ -53,9 +50,6 @@ private:
     GrStencilSettings                                       fStencilSettings;
     GrPipelineOptimizations                                 fOpts;
 
-    // TODO delete
-    GrBatchTracker      fBatchTracker;
-
     typedef GrDrawBatch INHERITED;
 };