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

src/gpu/batches/GrAAConvexPathRenderer.cpp

Index: src/gpu/batches/GrAAConvexPathRenderer.cpp
diff --git a/src/gpu/batches/GrAAConvexPathRenderer.cpp b/src/gpu/batches/GrAAConvexPathRenderer.cpp
index 2c5b4fef5f364b5d14fee9709e5b33b006a50ab5..b0ddaeb65c43f26954c7cac7e9db669500f39e8b 100644
--- a/src/gpu/batches/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/batches/GrAAConvexPathRenderer.cpp
@@ -746,9 +746,8 @@ public:
     AAConvexPathBatch(GrColor color, const SkMatrix& viewMatrix, const SkPath& path)
         : INHERITED(ClassID()) {
         fGeoData.emplace_back(Geometry{color, viewMatrix, path});
-        // compute bounds
-        fBounds = path.getBounds();
-        viewMatrix.mapRect(&fBounds);
+        this->setTransformedBounds(path.getBounds(), viewMatrix, HasAABloat::kYes,
+                                   IsZeroArea::kNo);
     }
 
     const char* name() const override { return "AAConvexBatch"; }
@@ -958,7 +957,7 @@ private:
         }
 
         fGeoData.push_back_n(that->fGeoData.count(), that->fGeoData.begin());
-        this->joinBounds(that->bounds());
+        this->joinBounds(*that);
         return true;
     }