Reland of add a ClassID function to GrBatch

src/gpu/batches/GrStrokeRectBatch.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrStrokeRectBatch.h"
 #include "GrBatchTest.h"
 #include "GrBatchFlushState.h"
 #include "SkRandom.h"
 
-GrStrokeRectBatch::GrStrokeRectBatch(const Geometry& geometry, bool snapToPixelCenters) {
-    this->initClassID<GrStrokeRectBatch>();
-
+GrStrokeRectBatch::GrStrokeRectBatch(const Geometry& geometry, bool snapToPixelCenters)
+    : INHERITED(ClassID()) {
     fBatch.fHairline = geometry.fStrokeWidth == 0;
 
     fGeoData.push_back(geometry);
 
     // setup bounds
     fBounds = geometry.fRect;
     SkScalar rad = SkScalarHalf(geometry.fStrokeWidth);
     fBounds.outset(rad, rad);
     geometry.fViewMatrix.mapRect(&fBounds);
 
@@ skipping 105 matching lines @@
     GrStrokeRectBatch::Geometry geometry;
     geometry.fViewMatrix = GrTest::TestMatrix(random);
     geometry.fColor = GrRandomColor(random);
     geometry.fRect = GrTest::TestRect(random);
     geometry.fStrokeWidth = random->nextBool() ? 0.0f : 1.0f;
 
     return GrStrokeRectBatch::Create(geometry, random->nextBool());
 }
 
 #endif