Add a GrPathRange class

include/core/SkStrokeRec.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 SkStrokeRec_DEFINED
 #define SkStrokeRec_DEFINED
 
@@ skipping 12 matching lines @@
     SkStrokeRec(const SkStrokeRec&);
     SkStrokeRec(const SkPaint&, SkPaint::Style);
     explicit SkStrokeRec(const SkPaint&);
 
     enum Style {
         kHairline_Style,
         kFill_Style,
         kStroke_Style,
         kStrokeAndFill_Style
     };
+    enum {
+        kStyleCount = kStrokeAndFill_Style + 1
+    };
 
     Style getStyle() const;
     SkScalar getWidth() const { return fWidth; }
     SkScalar getMiter() const { return fMiterLimit; }
     SkPaint::Cap getCap() const { return fCap; }
     SkPaint::Join getJoin() const { return fJoin; }
 
     bool isHairlineStyle() const {
         return kHairline_Style == this->getStyle();
     }
@@ skipping 52 matching lines @@
 
 
     SkScalar        fWidth;
     SkScalar        fMiterLimit;
     SkPaint::Cap    fCap;
     SkPaint::Join   fJoin;
     bool            fStrokeAndFill;
 };
 
 #endif