Refactor CSSGradientValue

Source/core/css/CSSGradientValue.h

 /*
  * Copyright (C) 2008 Apple 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 40 matching lines @@
 // When allocated on the stack its members are found by conservative
 // stack scanning. When allocated as part of Vectors in heap-allocated
 // objects its members are visited via the containing object's
 // (CSSGradientValue) traceAfterDispatch method.
 struct CSSGradientColorStop {
     ALLOW_ONLY_INLINE_ALLOCATION();
 public:
     CSSGradientColorStop() : m_colorIsDerivedFromElement(false) { };
     RefPtrWillBeMember<CSSPrimitiveValue> m_position; // percentage or length
     RefPtrWillBeMember<CSSPrimitiveValue> m_color;
-    Color m_resolvedColor;
     bool m_colorIsDerivedFromElement;

[Timothy Loh, 2014/12/05 00:07:07]

You'd probably want to update usage of this too?

     bool operator==(const CSSGradientColorStop& other) const
     {
         return compareCSSValuePtr(m_color, other.m_color)
             && compareCSSValuePtr(m_position, other.m_position);
     }
     bool isHint() const
     {
         ASSERT(m_color || m_position);
         return !m_color;
     }
@@ skipping 29 matching lines @@
 
     CSSGradientType gradientType() const { return m_gradientType; }
 
     bool isFixedSize() const { return false; }
     IntSize fixedSize(const RenderObject*) const { return IntSize(); }
 
     bool isPending() const { return false; }
     bool knownToBeOpaque(const RenderObject*) const;
 
     void loadSubimages(ResourceFetcher*) { }
-    PassRefPtrWillBeRawPtr<CSSGradientValue> gradientWithStylesResolved(const TextLinkColors&, Color currentColor);
 
     void traceAfterDispatch(Visitor*);
 
 protected:
     CSSGradientValue(ClassType classType, CSSGradientRepeat repeat, CSSGradientType gradientType)
         : CSSImageGeneratorValue(classType)
         , m_stopsSorted(false)
         , m_gradientType(gradientType)
         , m_repeating(repeat == Repeating)
     {
@@ skipping 137 matching lines @@
 
     RefPtrWillBeMember<CSSPrimitiveValue> m_endHorizontalSize;
     RefPtrWillBeMember<CSSPrimitiveValue> m_endVerticalSize;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSRadialGradientValue, isRadialGradientValue());
 
 } // namespace blink
 
 #endif // CSSGradientValue_h