remove point aliases

src/pathops/SkOpSpan.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkOpCoincidence.h"
 #include "SkOpContour.h"
 #include "SkOpSegment.h"
 #include "SkPathWriter.h"
@@ skipping 220 matching lines @@
         }
     }
 #if DEBUG_COINCIDENCE
     this->globalState()->coincidence()->debugValidate();
 #endif
 }
 
 bool SkOpSpanBase::contains(const SkOpSpanBase* span) const {
     const SkOpPtT* start = &fPtT;
     const SkOpPtT* check = &span->fPtT;
-    SkASSERT(start != check);
+    SkOPASSERT(start != check);
     const SkOpPtT* walk = start;
     while ((walk = walk->next()) != start) {
         if (walk == check) {
             return true;
         }
     }
     return false;
 }
 
 const SkOpPtT* SkOpSpanBase::contains(const SkOpSegment* segment) const {
@@ skipping 196 matching lines @@
 
 void SkOpSpan::setWindSum(int windSum) {
     SkASSERT(!final());
     if (fWindSum != SK_MinS32 && fWindSum != windSum) {
         this->globalState()->setWindingFailed();
         return;
     }
     SkASSERT(!DEBUG_LIMIT_WIND_SUM || SkTAbs(windSum) <= DEBUG_LIMIT_WIND_SUM);
     fWindSum = windSum;
 }