Move Image ownership out of CSSValue

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 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CSSGradientValue_h
 #define CSSGradientValue_h
 
 #include "core/css/CSSImageGeneratorValue.h"
 #include "core/css/CSSPrimitiveValue.h"
+#include "core/style/StyleImage.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class FloatPoint;
 class Gradient;
 
 enum CSSGradientType {
     CSSDeprecatedLinearGradient,
@@ skipping 55 matching lines @@
 
     void appendCSSTextForDeprecatedColorStops(StringBuilder&) const;
 
     bool isRepeating() const { return m_repeating; }
 
     CSSGradientType gradientType() const { return m_gradientType; }
 
     bool isFixedSize() const { return false; }
     IntSize fixedSize(const LayoutObject*) const { return IntSize(); }
 
-    bool isPending() const { return false; }
+    bool isPending(CSSStyleImageMap&) const { return false; }
     bool knownToBeOpaque(const LayoutObject*) const;
 
-    void loadSubimages(Document*) { }
+    void loadSubimages(Document*, CSSStyleImageMap&) { }
 
     DECLARE_TRACE_AFTER_DISPATCH();
 
 protected:
     CSSGradientValue(ClassType classType, CSSGradientRepeat repeat, CSSGradientType gradientType)
         : CSSImageGeneratorValue(classType)
         , m_stopsSorted(false)
         , m_gradientType(gradientType)
         , m_repeating(repeat == Repeating)
     {
@@ skipping 138 matching lines @@
 
     RefPtrWillBeMember<CSSPrimitiveValue> m_endHorizontalSize;
     RefPtrWillBeMember<CSSPrimitiveValue> m_endVerticalSize;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSRadialGradientValue, isRadialGradientValue());
 
 } // namespace blink
 
 #endif // CSSGradientValue_h