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/src/pathops/SkPathOpsDebug.cpp b/src/pathops/SkPathOpsDebug.cpp
index 7ee44de..da4e76b 100644
--- a/src/pathops/SkPathOpsDebug.cpp
+++ b/src/pathops/SkPathOpsDebug.cpp
@@ -2914,15 +2914,15 @@
     int rectCount = path.isRectContours() ? path.rectContours(nullptr, nullptr) : 0;
     if (rectCount > 0) {
         SkTDArray<SkRect> rects;
-        SkTDArray<SkPath::Direction> directions;
+        SkTDArray<SkPathDirection> directions;
         rects.setCount(rectCount);
         directions.setCount(rectCount);
         path.rectContours(rects.begin(), directions.begin());
         for (int contour = 0; contour < rectCount; ++contour) {
             const SkRect& rect = rects[contour];
             SkDebugf("path.addRect(%1.9g, %1.9g, %1.9g, %1.9g, %s);\n", rect.fLeft, rect.fTop,
-                    rect.fRight, rect.fBottom, directions[contour] == SkPath::kCCW_Direction
-                    ? "SkPath::kCCW_Direction" : "SkPath::kCW_Direction");
+                    rect.fRight, rect.fBottom, directions[contour] == SkPathDirection::kCCW
+                    ? "SkPathDirection::kCCW" : "SkPathDirection::kCW");
         }
         return;
     }