add a ClassID function to GrBatch

src/gpu/batches/GrDefaultPathRenderer.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDefaultPathRenderer.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 199 matching lines @@
 }
 
 class DefaultPathBatch : public GrVertexBatch {
 public:
     struct Geometry {
         GrColor fColor;
         SkPath fPath;
         SkScalar fTolerance;
     };
 
+    BATCH_CLASS_ID
+
     static GrDrawBatch* Create(const Geometry& geometry, uint8_t coverage,
                                const SkMatrix& viewMatrix, bool isHairline,
                                const SkRect& devBounds) {
         return new DefaultPathBatch(geometry, coverage, viewMatrix, isHairline, devBounds);
     }
 
     const char* name() const override { return "DefaultPathBatch"; }
 
     void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
         // When this is called on a batch, there is only one geometry bundle
@@ skipping 522 matching lines @@
     geometry.fColor = color;
     geometry.fPath = path;
     geometry.fTolerance = srcSpaceTol;
 
     viewMatrix.mapRect(&bounds);
     uint8_t coverage = GrRandomCoverage(random);
     return DefaultPathBatch::Create(geometry, coverage, viewMatrix, true, bounds);
 }
 
 #endif