Document* -> Document& for loadSubimages and friends.

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

 /*
  * Copyright (C) 2006 Rob Buis <buis@kde.org>
  *           (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 18 matching lines @@
 #include "core/style/StyleImage.h"
 #include "core/svg/SVGCursorElement.h"
 #include "core/svg/SVGLengthContext.h"
 #include "core/svg/SVGURIReference.h"
 #include "wtf/MathExtras.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-static inline SVGCursorElement* resourceReferencedByCursorElement(const String& url, TreeScope& treeScope)
+static inline SVGCursorElement* resourceReferencedByCursorElement(const String& url, const TreeScope& treeScope)
 {
     Element* element = SVGURIReference::targetElementFromIRIString(url, treeScope);
     return isSVGCursorElement(element) ? toSVGCursorElement(element) : nullptr;
 }
 
 CSSCursorImageValue::CSSCursorImageValue(CSSValue* imageValue, bool hotSpotSpecified, const IntPoint& hotSpot)
     : CSSValue(CursorImageClass)
     , m_imageValue(imageValue)
     , m_hotSpotSpecified(hotSpotSpecified)
     , m_hotSpot(hotSpot)
@@ skipping 40 matching lines @@
 
 StyleImage* CSSCursorImageValue::cachedImage(float deviceScaleFactor) const
 {
     ASSERT(!isCachePending(deviceScaleFactor));
 
     if (m_imageValue->isImageSetValue())
         return toCSSImageSetValue(*m_imageValue).cachedImage(deviceScaleFactor);
     return m_cachedImage.get();
 }
 
-StyleImage* CSSCursorImageValue::cacheImage(Document* document, float deviceScaleFactor)
+StyleImage* CSSCursorImageValue::cacheImage(const Document& document, float deviceScaleFactor)
 {
     if (m_imageValue->isImageSetValue())
         return toCSSImageSetValue(*m_imageValue).cacheImage(document, deviceScaleFactor);
 
     if (m_isCachePending) {
         m_isCachePending = false;
 
         // For SVG images we need to lazily substitute in the correct URL. Rather than attempt
         // to change the URL of the CSSImageValue (which would then change behavior like cssText),
         // we create an alternate CSSImageValue to use.
-        if (hasFragmentInURL() && document) {
+        if (hasFragmentInURL()) {
             CSSImageValue* imageValue = toCSSImageValue(m_imageValue.get());
             // FIXME: This will fail if the <cursor> element is in a shadow DOM (bug 59827)
-            if (SVGCursorElement* cursorElement = resourceReferencedByCursorElement(imageValue->url(), *document)) {
-                CSSImageValue* svgImageValue = CSSImageValue::create(document->completeURL(cursorElement->href()->currentValue()->value()));
+            if (SVGCursorElement* cursorElement = resourceReferencedByCursorElement(imageValue->url(), document)) {
+                CSSImageValue* svgImageValue = CSSImageValue::create(document.completeURL(cursorElement->href()->currentValue()->value()));
                 svgImageValue->setReferrer(imageValue->referrer());
                 m_cachedImage = svgImageValue->cacheImage(document);
                 return m_cachedImage.get();
             }
         }
 
         if (m_imageValue->isImageValue())
             m_cachedImage = toCSSImageValue(*m_imageValue).cacheImage(document);
     }
 
@@ skipping 32 matching lines @@
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(CSSCursorImageValue)
 {
     visitor->trace(m_imageValue);
     visitor->trace(m_cachedImage);
     CSSValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink