add conics to path ops

src/pathops/SkPathOpsBounds.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 SkPathOpBounds_DEFINED
 #define SkPathOpBounds_DEFINED
 
 #include "SkPathOpsRect.h"
@@ skipping 37 matching lines @@
     }
 
     // unlike isEmpty(), this permits lines, but not points
     // FIXME: unused for now
     bool isReallyEmpty() const {
         // use !<= instead of > to detect NaN values
         return !(fLeft <= fRight) || !(fTop <= fBottom)
                 || (fLeft == fRight && fTop == fBottom);
     }
 
-    void setCubicBounds(const SkPoint a[4]);
-    void setLineBounds(const SkPoint a[2]);
-    void setQuadBounds(const SkPoint a[3]);
+    void setConicBounds(const SkPoint a[3], SkScalar weight);
+    void setCubicBounds(const SkPoint a[4], SkScalar );
+    void setLineBounds(const SkPoint a[2], SkScalar );
+    void setQuadBounds(const SkPoint a[3], SkScalar );
 
     void setPointBounds(const SkPoint& pt) {
         fLeft = fRight = pt.fX;
         fTop = fBottom = pt.fY;
     }
 
     typedef SkRect INHERITED;
 };
 
-extern void (SkPathOpsBounds::* const SetCurveBounds[])(const SkPoint[]);
+extern void (SkPathOpsBounds::* const SetCurveBounds[])(const SkPoint[], SkScalar weight);
 
 #endif