Reland of add a ClassID function to GrBatch

src/gpu/batches/GrDrawPathBatch.cpp

Index: src/gpu/batches/GrDrawPathBatch.cpp
diff --git a/src/gpu/batches/GrDrawPathBatch.cpp b/src/gpu/batches/GrDrawPathBatch.cpp
index a47e665607f4bcc0e3e2a8831f1d405b517b0393..c56c4ad2cd723d8fc7c04fb5a8db3ddab6b3466b 100644
--- a/src/gpu/batches/GrDrawPathBatch.cpp
+++ b/src/gpu/batches/GrDrawPathBatch.cpp
@@ -57,11 +57,10 @@
 
 GrDrawPathRangeBatch::GrDrawPathRangeBatch(const SkMatrix& viewMatrix, const SkMatrix& localMatrix,
                                            GrColor color, GrPathRangeDraw* pathRangeDraw)
-    : INHERITED(viewMatrix, color)
+    : INHERITED(ClassID(), viewMatrix, color)
     , fDraws(4)
     , fLocalMatrix(localMatrix) {
     SkDEBUGCODE(pathRangeDraw->fUsedInBatch = true;)
-    this->initClassID<GrDrawPathRangeBatch>();
     fDraws.addToHead(SkRef(pathRangeDraw));
     fTotalPathCount = pathRangeDraw->count();
     // Don't compute a bounding box. For dst copy texture, we'll opt instead for it to just copy