add a ClassID function to GrBatch

src/gpu/effects/GrDashingEffect.cpp

Index: src/gpu/effects/GrDashingEffect.cpp
diff --git a/src/gpu/effects/GrDashingEffect.cpp b/src/gpu/effects/GrDashingEffect.cpp
index 3ca4c7ae4b6379a1042767c39b6498e1a7bc9ad2..106ee49672481aca90307ac772b9bfb1ad64c0a4 100644
--- a/src/gpu/effects/GrDashingEffect.cpp
+++ b/src/gpu/effects/GrDashingEffect.cpp
@@ -245,8 +245,9 @@ static GrGeometryProcessor* create_dash_gp(GrColor,
 
 class DashBatch : public GrVertexBatch {
 public:
+    DEFINE_BATCH_CLASS_ID
+
     struct Geometry {
-        GrColor fColor;
         SkMatrix fViewMatrix;
         SkMatrix fSrcRotInv;
         SkPoint fPtsRot[2];
@@ -255,6 +256,7 @@ public:
         SkScalar fIntervals[2];
         SkScalar fParallelScale;
         SkScalar fPerpendicularScale;
+        GrColor fColor;
     };
 
     static GrDrawBatch* Create(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode,
@@ -275,8 +277,8 @@ public:
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
 private:
-    DashBatch(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode, bool fullDash) {
-        this->initClassID<DashBatch>();
+    DashBatch(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode, bool fullDash)
+        : INHERITED(ClassID()) {
         fGeoData.push_back(geometry);
 
         fBatch.fAAMode = aaMode;
@@ -674,6 +676,8 @@ private:
 
     BatchTracker fBatch;
     SkSTArray<1, Geometry, true> fGeoData;
+
+    typedef GrVertexBatch INHERITED;
 };
 
 static GrDrawBatch* create_batch(GrColor color, const SkMatrix& viewMatrix, const SkPoint pts[2],