Document* -> Document& for loadSubimages and friends.

third_party/WebKit/Source/core/css/CSSCrossfadeValue.cpp

 /*
  * Copyright (C) 2011 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 42 matching lines @@
         return toCSSImageValue(value)->knownToBeOpaque(layoutObject);
 
     if (value->isImageGeneratorValue())
         return toCSSImageGeneratorValue(value)->knownToBeOpaque(layoutObject);
 
     ASSERT_NOT_REACHED();
 
     return false;
 }
 
-static ImageResource* cachedImageForCSSValue(CSSValue* value, Document* document)
+static ImageResource* cachedImageForCSSValue(CSSValue* value, const Document& document)
 {
     if (!value)
         return nullptr;
 
     if (value->isImageValue()) {
         StyleImage* styleImageResource = toCSSImageValue(value)->cacheImage(document);
         if (!styleImageResource)
             return nullptr;
 
         return styleImageResource->cachedImage();
     }
 
     if (value->isImageGeneratorValue()) {
         toCSSImageGeneratorValue(value)->loadSubimages(document);
         // FIXME: Handle CSSImageGeneratorValue (and thus cross-fades with gradients and canvas).
         return nullptr;
     }
 
     ASSERT_NOT_REACHED();
 
     return nullptr;
 }
 
 static Image* renderableImageForCSSValue(CSSValue* value, const LayoutObject& layoutObject)
 {
-    ImageResource* cachedImage = cachedImageForCSSValue(value, &layoutObject.document());
+    ImageResource* cachedImage = cachedImageForCSSValue(value, layoutObject.document());
 
     if (!cachedImage || cachedImage->errorOccurred() || cachedImage->getImage()->isNull())
         return nullptr;
 
     return cachedImage->getImage();
 }
 
 static KURL urlForCSSValue(const CSSValue* value)
 {
     if (!value->isImageValue())
@@ skipping 86 matching lines @@
 bool CSSCrossfadeValue::isPending() const
 {
     return subimageIsPending(m_fromValue.get()) || subimageIsPending(m_toValue.get());
 }
 
 bool CSSCrossfadeValue::knownToBeOpaque(const LayoutObject& layoutObject) const
 {
     return subimageKnownToBeOpaque(m_fromValue.get(), layoutObject) && subimageKnownToBeOpaque(m_toValue.get(), layoutObject);
 }
 
-void CSSCrossfadeValue::loadSubimages(Document* document)
+void CSSCrossfadeValue::loadSubimages(const Document& document)
 {
     ImageResource* oldCachedFromImage = m_cachedFromImage;
     ImageResource* oldCachedToImage = m_cachedToImage;
 
     m_cachedFromImage = cachedImageForCSSValue(m_fromValue.get(), document);
     m_cachedToImage = cachedImageForCSSValue(m_toValue.get(), document);
 
     if (m_cachedFromImage != oldCachedFromImage) {
         if (oldCachedFromImage)
             oldCachedFromImage->removeObserver(&m_crossfadeSubimageObserver);
@@ skipping 85 matching lines @@
     visitor->trace(m_fromValue);
     visitor->trace(m_toValue);
     visitor->trace(m_percentageValue);
     visitor->trace(m_cachedFromImage);
     visitor->trace(m_cachedToImage);
     visitor->trace(m_crossfadeSubimageObserver);
     CSSImageGeneratorValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink