Remove CSS clients of ImageResource

sky/engine/core/css/CSSImageGeneratorValue.cpp

 /*
  * 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * 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.
  */
 
 #include "sky/engine/core/css/CSSImageGeneratorValue.h"
 
-#include "sky/engine/core/css/CSSCrossfadeValue.h"
 #include "sky/engine/core/css/CSSGradientValue.h"
 #include "sky/engine/platform/graphics/Image.h"
 
 namespace blink {
 
 CSSImageGeneratorValue::CSSImageGeneratorValue(ClassType classType)
     : CSSValue(classType)
 {
 }
 
@@ skipping 70 matching lines @@
 }
 
 void CSSImageGeneratorValue::putImage(const IntSize& size, PassRefPtr<Image> image)
 {
     m_images.add(size, image);
 }
 
 PassRefPtr<Image> CSSImageGeneratorValue::image(RenderObject* renderer, const IntSize& size)
 {
     switch (classType()) {
-    case CrossfadeClass:
-        return toCSSCrossfadeValue(this)->image(renderer, size);
     case LinearGradientClass:
         return toCSSLinearGradientValue(this)->image(renderer, size);
     case RadialGradientClass:
         return toCSSRadialGradientValue(this)->image(renderer, size);
     default:
         ASSERT_NOT_REACHED();
     }
     return nullptr;
 }
 
 bool CSSImageGeneratorValue::isFixedSize() const
 {
     switch (classType()) {
-    case CrossfadeClass:
-        return toCSSCrossfadeValue(this)->isFixedSize();
     case LinearGradientClass:
         return toCSSLinearGradientValue(this)->isFixedSize();
     case RadialGradientClass:
         return toCSSRadialGradientValue(this)->isFixedSize();
     default:
         ASSERT_NOT_REACHED();
     }
     return false;
 }
 
 IntSize CSSImageGeneratorValue::fixedSize(const RenderObject* renderer)
 {
     switch (classType()) {
-    case CrossfadeClass:
-        return toCSSCrossfadeValue(this)->fixedSize(renderer);
     case LinearGradientClass:
         return toCSSLinearGradientValue(this)->fixedSize(renderer);
     case RadialGradientClass:
         return toCSSRadialGradientValue(this)->fixedSize(renderer);
     default:
         ASSERT_NOT_REACHED();
     }
     return IntSize();
 }
 
 bool CSSImageGeneratorValue::isPending() const
 {
     switch (classType()) {
-    case CrossfadeClass:
-        return toCSSCrossfadeValue(this)->isPending();
     case LinearGradientClass:
         return toCSSLinearGradientValue(this)->isPending();
     case RadialGradientClass:
         return toCSSRadialGradientValue(this)->isPending();
     default:
         ASSERT_NOT_REACHED();
     }
     return false;
 }
 
 bool CSSImageGeneratorValue::knownToBeOpaque(const RenderObject* renderer) const
 {
     switch (classType()) {
-    case CrossfadeClass:
-        return toCSSCrossfadeValue(this)->knownToBeOpaque(renderer);
     case LinearGradientClass:
         return toCSSLinearGradientValue(this)->knownToBeOpaque(renderer);
     case RadialGradientClass:
         return toCSSRadialGradientValue(this)->knownToBeOpaque(renderer);
     default:
         ASSERT_NOT_REACHED();
     }
     return false;
 }
 
 void CSSImageGeneratorValue::loadSubimages(ResourceFetcher* fetcher)
 {
     switch (classType()) {
-    case CrossfadeClass:
-        toCSSCrossfadeValue(this)->loadSubimages(fetcher);
-        break;
     case LinearGradientClass:
         toCSSLinearGradientValue(this)->loadSubimages(fetcher);
         break;
     case RadialGradientClass:
         toCSSRadialGradientValue(this)->loadSubimages(fetcher);
         break;
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 } // namespace blink