Consolidate handling of infinitely thin primitives and aa bloat handing WRT batch bounds

src/gpu/batches/GrTestBatch.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTestBatch_DEFINED
 #define GrTestBatch_DEFINED
 
@@ skipping 23 matching lines @@
 
         fOptimizations.fColorIgnored = !overrides.readsColor();
         fOptimizations.fUsesLocalCoords = overrides.readsLocalCoords();
         fOptimizations.fCoverageIgnored = !overrides.readsCoverage();
     }
 
 protected:
     GrTestBatch(uint32_t classID, const SkRect& bounds, GrColor color)
         : INHERITED(classID)
         , fColor(color) {
-        this->setBounds(bounds);
+        // Choose some conservative values for aa bloat and zero area.
+        this->setBounds(bounds, HasAABloat::kYes, IsZeroArea::kYes);
     }
 
     struct Optimizations {
         bool fColorIgnored = false;
         bool fUsesLocalCoords = false;
         bool fCoverageIgnored = false;
     };
 
     GrColor color() const { return fColor; }
     const Optimizations optimizations() const { return fOptimizations; }
 
 private:
     bool onCombineIfPossible(GrBatch* t, const GrCaps&) override {
         return false;
     }
 
     GrColor       fColor;
     Optimizations fOptimizations;
 
     typedef GrVertexBatch INHERITED;
 };
 
 #endif