add pathops debugging

src/pathops/SkOpCoincidence.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkOpCoincidence_DEFINED
 #define SkOpCoincidence_DEFINED
 
 #include "SkTDArray.h"
@@ skipping 246 matching lines @@
                       const SkOpPtT* over2s, const SkOpPtT* over2e,
                       double tStart, double tEnd,
                       const SkOpPtT* coinPtTStart, const SkOpPtT* coinPtTEnd,
                       const SkOpPtT* oppPtTStart, const SkOpPtT* oppPtTEnd) {
         return addIfMissing(over1s, over1e, over2s, over2e, tStart, tEnd,
                 const_cast<SkOpPtT*>(coinPtTStart), coinPtTEnd,
                 const_cast<SkOpPtT*>(oppPtTStart), oppPtTEnd);
     }
 
     bool addOrOverlap(SkOpSegment* coinSeg, SkOpSegment* oppSeg,
-                      double coinTs, double coinTe, double oppTs, double oppTe);
+                      double coinTs, double coinTe, double oppTs, double oppTe
+                      SkDEBUGPARAMS(bool callerAborts));
     bool addOverlap(const SkOpSegment* seg1, const SkOpSegment* seg1o,
                     const SkOpSegment* seg2, const SkOpSegment* seg2o,
                     const SkOpPtT* overS, const SkOpPtT* overE);
     bool alreadyAdded(const SkCoincidentSpans* check, const SkCoincidentSpans* outer,
                       const SkOpPtT* over1s, const SkOpPtT* over1e) const;
     bool checkOverlap(SkCoincidentSpans* check,
                       const SkOpSegment* coinSeg, const SkOpSegment* oppSeg,
                       double coinTs, double coinTe, double oppTs, double oppTe,
                       SkTDArray<SkCoincidentSpans*>* overlaps) const;
     bool contains(const SkOpSegment* seg, const SkOpSegment* opp, double oppT) const;
@@ skipping 26 matching lines @@
     SkCoincidentSpans* fTop;
     SkOpGlobalState* fGlobalState;
     bool fContinue;
     bool fSpanDeleted;
     bool fPtAllocated;
     bool fCoinExtended;
     bool fSpanMerged;
 };
 
 #endif