Revert of use reversePathTo in place of addPathReverse

src/pathops/SkPathWriter.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkOpSpan.h"
 #include "SkPathOpsPoint.h"
 #include "SkPathWriter.h"
 #include "SkTSort.h"
@@ skipping 288 matching lines @@
                     sIndex < 0 ? ~sIndex : sIndex, eIndex < 0 ? 's' : 'e',
                     eIndex < 0 ? ~eIndex : eIndex);
 #endif
         do {
             const SkPath& contour = fPartials[rIndex];
             if (forward) {
                 fPathPtr->addPath(contour,
                         first ? SkPath::kAppend_AddPathMode : SkPath::kExtend_AddPathMode);
             } else {
                 SkASSERT(!first);
-                fPathPtr->reversePathTo(contour);
+                fPathPtr->reverseAddPath(contour);
             }
             if (first) {
                 first = false;
             }
 #if DEBUG_ASSEMBLE
             SkDebugf("%s rIndex=%d eIndex=%s%d close=%d\n", __FUNCTION__, rIndex,
                 eIndex < 0 ? "~" : "", eIndex < 0 ? ~eIndex : eIndex,
                 sIndex == ((rIndex != eIndex) ^ forward ? eIndex : ~eIndex));
 #endif
             if (sIndex == ((rIndex != eIndex) ^ forward ? eIndex : ~eIndex)) {
@@ skipping 36 matching lines @@
         }
     } while (rIndex < linkCount);
 #if DEBUG_ASSEMBLE
     for (rIndex = 0; rIndex < linkCount; ++rIndex) {
        SkASSERT(sLink[rIndex] == SK_MaxS32);
        SkASSERT(eLink[rIndex] == SK_MaxS32);
     }
 #endif
     return;
 }