Revert "Reland "Revert "Use flat version of path-direction enum"""

This reverts commit 7cda6f37439f69b1e4a9b08147f9c12ddad1bddb.

Reason for revert: legacy convexity code removed -- google3 should be ok

Original change's description:
> Reland "Revert "Use flat version of path-direction enum""
>
> This reverts commit 1792b19485cacb0c950a3c0ea0aab763a8d43176.
>
> Reason for revert: need to update legacy_convexity, still used by google3
>
> Original change's description:
> > Revert "Revert "Use flat version of path-direction enum""
> >
> > This reverts commit 0dacc6b7d3027e8181311a61f7ca798be52a0250.
> >
> > Change-Id: Ie103e9f36b07e4ee256a3688a4decf3a6dd74314
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255832
> > Auto-Submit: Mike Reed <reed@google.com>
> > Reviewed-by: Mike Reed <reed@google.com>
> > Commit-Queue: Mike Reed <reed@google.com>
>
> TBR=reed@google.com
>
> Change-Id: I0ecea0eb8a237298c6b908cc4bfd1cacdfc5b900
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255976
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Mike Reed <reed@google.com>

TBR=reed@google.com

Change-Id: I3529139bb391c4f62ce5cd0744cdf38a13b71d78
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255984
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Reed <reed@google.com>
diff --git a/gm/nested.cpp b/gm/nested.cpp
index 859077f..9c1370c 100644
--- a/gm/nested.cpp
+++ b/gm/nested.cpp
@@ -53,7 +53,7 @@
         kShapeCount
     };
 
-    static void AddShape(SkPath* path, const SkRect& rect, Shapes shape, SkPath::Direction dir) {
+    static void AddShape(SkPath* path, const SkRect& rect, Shapes shape, SkPathDirection dir) {
         switch (shape) {
             case kRect_Shape:
                 path->addRect(rect, dir);
@@ -105,9 +105,9 @@
                 for (size_t innerRect = 0; innerRect < SK_ARRAY_COUNT(innerRects); ++innerRect) {
                     SkPath path;
 
-                    AddShape(&path, outerRect, (Shapes) outerShape, SkPath::kCW_Direction);
+                    AddShape(&path, outerRect, (Shapes) outerShape, SkPathDirection::kCW);
                     AddShape(&path, innerRects[innerRect], (Shapes) innerShape,
-                             SkPath::kCCW_Direction);
+                             SkPathDirection::kCCW);
 
                     canvas->save();
                     if (fFlipped) {