fix some pathops bugs found in 1M skps

src/pathops/SkOpAngle.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkOpAngle_DEFINED
 #define SkOpAngle_DEFINED
 
 #include "SkLineParameters.h"
@@ skipping 12 matching lines @@
     enum IncludeType {
         kUnaryWinding,
         kUnaryXor,
         kBinarySingle,
         kBinaryOpp,
     };
 
     bool after(SkOpAngle* test);
     int allOnOneSide(const SkOpAngle* test);
     bool checkCrossesZero() const;
-    void checkNearCoincidence();
     bool checkParallel(SkOpAngle* );
     bool computeSector();
     int convexHullOverlaps(const SkOpAngle* ) const;
 
     const SkOpAngle* debugAngle(int id) const;
     SkOpContour* debugContour(int id);
 
     int debugID() const {
         return SkDEBUGRELEASE(fID, -1);
     }
 
 #if DEBUG_SORT
     void debugLoop() const;
 #endif
 
 #if DEBUG_ANGLE
+    void debugCheckNearCoincidence() const;
     SkString debugPart() const;
 #endif
     const SkOpPtT* debugPtT(int id) const;
     const SkOpSegment* debugSegment(int id) const;
     int debugSign() const;
     const SkOpSpanBase* debugSpan(int id) const;
     void debugValidate() const; 
     void debugValidateNext() const;  // in debug builds, verify that angle loop is uncorrupted
     double distEndRatio(double dist) const;
     // available to testing only
@@ skipping 81 matching lines @@
     bool fComputeSector;
     bool fComputedSector;
     bool fCheckCoincidence;
     SkDEBUGCODE(int fID);
 
 };
 
 
 
 #endif