Resubmit issue 2221103002 to fix the iOS build by declaring the flag in

src/core/SkScan_AntiPath.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkScanPriv.h"
 #include "SkPath.h"
@@ skipping 732 matching lines @@
         SkAAClipBlitter aaBlitter;
 
         tmp.setRect(clip.getBounds());
         aaBlitter.init(blitter, &clip.aaRgn());
         SkScan::FillPath(path, tmp, &aaBlitter);
     }
 }
 
 void SkScan::AntiFillPath(const SkPath& path, const SkRasterClip& clip,
                           SkBlitter* blitter) {
+    if (GlobalAAConfig::getInstance().fUseAnalyticAA) {
+        SkScan::AAAFillPath(path, clip, blitter);
+        return;
+    }
+
     if (clip.isEmpty()) {
         return;
     }
 
     if (clip.isBW()) {
         AntiFillPath(path, clip.bwRgn(), blitter);
     } else {
         SkRegion        tmp;
         SkAAClipBlitter aaBlitter;
 
         tmp.setRect(clip.getBounds());
         aaBlitter.init(blitter, &clip.aaRgn());
         SkScan::AntiFillPath(path, tmp, &aaBlitter, true);
     }
 }