Reland "Prefer using GrOvalOpFactory over GrFillRRect for circles and axis-aligned circular roundrects."

This is a reland of 731454a08543be3793bb7b28391a7ff69db09884

Original change's description:
> Prefer using GrOvalOpFactory over GrFillRRect for circles and
> axis-aligned circular roundrects.
> 
> Bug: chromium:971936
> Change-Id: I4cd0cd9047b9b06d657826820ba5a937547f87c3
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221000
> Commit-Queue: Jim Van Verth <jvanverth@google.com>
> Reviewed-by: Khushal Sagar <khushalsagar@chromium.org>

Bug: chromium:971936
Change-Id: I8a61cff3e065177a5b2320072b45c1a619970ff6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/222794
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
diff --git a/src/gpu/ops/GrOvalOpFactory.h b/src/gpu/ops/GrOvalOpFactory.h
index bf86ca3..de25fa1 100644
--- a/src/gpu/ops/GrOvalOpFactory.h
+++ b/src/gpu/ops/GrOvalOpFactory.h
@@ -26,6 +26,13 @@
  */
 class GrOvalOpFactory {
 public:
+    static std::unique_ptr<GrDrawOp> MakeCircleOp(GrRecordingContext*,
+                                                  GrPaint&&,
+                                                  const SkMatrix&,
+                                                  const SkRect& oval,
+                                                  const GrStyle& style,
+                                                  const GrShaderCaps*);
+
     static std::unique_ptr<GrDrawOp> MakeOvalOp(GrRecordingContext*,
                                                 GrPaint&&,
                                                 const SkMatrix&,
@@ -33,6 +40,13 @@
                                                 const GrStyle& style,
                                                 const GrShaderCaps*);
 
+    static std::unique_ptr<GrDrawOp> MakeCircularRRectOp(GrRecordingContext*,
+                                                         GrPaint&&,
+                                                         const SkMatrix&,
+                                                         const SkRRect&,
+                                                         const SkStrokeRec&,
+                                                         const GrShaderCaps*);
+
     static std::unique_ptr<GrDrawOp> MakeRRectOp(GrRecordingContext*,
                                                  GrPaint&&,
                                                  const SkMatrix&,