Revert "Convert pathkit's usage of SkPath::Iter to SkPatPriv::RangeIter"

This reverts commit 999257d.

Reason for revert: Iter does not behave the same as RangeIter

Original change's description:
> Convert pathkit's usage of SkPath::Iter to SkPatPriv::RangeIter
> 
> Change-Id: If940941a66c1fda508970a73d8433a2d2a292e1c
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/287894
> Reviewed-by: Kevin Lubick <[email protected]>
> Commit-Queue: Chris Dalton <[email protected]>

[email protected],[email protected]

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: Id1028577631ab616a60e0be71e27b32d9a1255e1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/290188
Reviewed-by: Chris Dalton <[email protected]>
Commit-Queue: Chris Dalton <[email protected]>

Author: csmartdalton86

modules/pathkit/pathkit_wasm_bindings.cpp

@@ -259,31 +259,36 @@ SkPathOrNull EMSCRIPTEN_KEEPALIVE ResolveBuilder(SkOpBuilder& builder) {
 //========================================================================================
 
 void EMSCRIPTEN_KEEPALIVE ToCanvas(const SkPath& path, emscripten::val /* Path2D or Canvas*/ ctx) {
-    for (auto [verb, pts, w] : SkPathPriv::Iterate(path)) {
+    SkPath::Iter iter(path, false);
+    SkPoint pts[4];
+    SkPath::Verb verb;
+    while ((verb = iter.next(pts)) != SkPath::kDone_Verb) {
         switch (verb) {
-            case SkPathVerb::kMove:
+            case SkPath::kMove_Verb:
                 ctx.call<void>("moveTo", pts[0].x(), pts[0].y());
                 break;
-            case SkPathVerb::kLine:
+            case SkPath::kLine_Verb:
                 ctx.call<void>("lineTo", pts[1].x(), pts[1].y());
                 break;
-            case SkPathVerb::kQuad:
+            case SkPath::kQuad_Verb:
                 ctx.call<void>("quadraticCurveTo", pts[1].x(), pts[1].y(), pts[2].x(), pts[2].y());
                 break;
-            case SkPathVerb::kConic:
+            case SkPath::kConic_Verb:
                 SkPoint quads[5];
                 // approximate with 2^1=2 quads.
-                SkPath::ConvertConicToQuads(pts[0], pts[1], pts[2], *w, quads, 1);
+                SkPath::ConvertConicToQuads(pts[0], pts[1], pts[2], iter.conicWeight(), quads, 1);
                 ctx.call<void>("quadraticCurveTo", quads[1].x(), quads[1].y(), quads[2].x(), quads[2].y());
                 ctx.call<void>("quadraticCurveTo", quads[3].x(), quads[3].y(), quads[4].x(), quads[4].y());
                 break;
-            case SkPathVerb::kCubic:
+            case SkPath::kCubic_Verb:
                 ctx.call<void>("bezierCurveTo", pts[1].x(), pts[1].y(), pts[2].x(), pts[2].y(),
                                                    pts[3].x(), pts[3].y());
                 break;
-            case SkPathVerb::kClose:
+            case SkPath::kClose_Verb:
                 ctx.call<void>("closePath");
                 break;
+            case SkPath::kDone_Verb:
+                break;
         }
     }
 }