Revert "Use flat version of path-direction enum"

This reverts commit e0fbe943510e5145f8abb2bbe2ce3051cefed366.

Reason for revert: need to add guard flag to flutter

Original change's description:
> Use flat version of path-direction enum
> 
> Bug: skia:9663
> Change-Id: I00077d9f2b14b3e983e6a46ef6f560cabdb1678d
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/242557
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Florin Malita <fmalita@chromium.org>

TBR=fmalita@chromium.org,reed@google.com

Change-Id: If47173d9b203b2d3a175af290a15d986accb4703
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:9663
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255831
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/src/pathops/SkPathOpsDebug.cpp b/src/pathops/SkPathOpsDebug.cpp
index da4e76b..7ee44de 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<SkPathDirection> directions;
+        SkTDArray<SkPath::Direction> 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] == SkPathDirection::kCCW
-                    ? "SkPathDirection::kCCW" : "SkPathDirection::kCW");
+                    rect.fRight, rect.fBottom, directions[contour] == SkPath::kCCW_Direction
+                    ? "SkPath::kCCW_Direction" : "SkPath::kCW_Direction");
         }
         return;
     }