Add support for repeating-conic-gradient()

third_party/WebKit/Source/platform/graphics/Gradient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Torch Mobile, Inc.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 58 matching lines @@
       float r0,
       const FloatPoint& p1,
       float r1,
       float aspectRatio = 1,
       GradientSpreadMethod = SpreadMethodPad,
       ColorInterpolation = ColorInterpolation::Unpremultiplied);
 
   static PassRefPtr<Gradient> createConic(
       const FloatPoint& position,
       float angle,
-      GradientSpreadMethod = SpreadMethodPad,
       ColorInterpolation = ColorInterpolation::Unpremultiplied);
 
   virtual ~Gradient();
 
   Type getType() const { return m_type; }
 
   struct ColorStop {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
     float stop;
     Color color;
@@ skipping 31 matching lines @@
 
   Vector<ColorStop, 2> m_stops;
   bool m_stopsSorted;
 
   mutable sk_sp<PaintShader> m_cachedShader;
 };
 
 }  // namespace blink
 
 #endif