Have CSSParserContext take a Document reference in argument

Source/core/css/CSSParser-in.cpp

Index: Source/core/css/CSSParser-in.cpp
diff --git a/Source/core/css/CSSParser-in.cpp b/Source/core/css/CSSParser-in.cpp
index 500e47197112ea7a11162a52b5e25b710b76b917..96048ad6378fa89c22acff59ab0776ee858f9200 100644
--- a/Source/core/css/CSSParser-in.cpp
+++ b/Source/core/css/CSSParser-in.cpp
@@ -212,15 +212,15 @@ CSSParserContext::CSSParserContext(CSSParserMode mode, const KURL& baseURL)
 {
 }
 
-CSSParserContext::CSSParserContext(Document* document, const KURL& baseURL, const String& charset)
-    : baseURL(baseURL.isNull() ? document->baseURL() : baseURL)
+CSSParserContext::CSSParserContext(const Document& document, const KURL& baseURL, const String& charset)
+    : baseURL(baseURL.isNull() ? document.baseURL() : baseURL)
     , charset(charset)
-    , mode(document->inQuirksMode() ? CSSQuirksMode : CSSStrictMode)
-    , isHTMLDocument(document->isHTMLDocument())
-    , isCSSCustomFilterEnabled(document->settings() ? document->settings()->isCSSCustomFilterEnabled() : false)
-    , isCSSStickyPositionEnabled(document->cssStickyPositionEnabled())
-    , needsSiteSpecificQuirks(document->settings() ? document->settings()->needsSiteSpecificQuirks() : false)
-    , useLegacyBackgroundSizeShorthandBehavior(document->settings() ? document->settings()->useLegacyBackgroundSizeShorthandBehavior() : false)
+    , mode(document.inQuirksMode() ? CSSQuirksMode : CSSStrictMode)
+    , isHTMLDocument(document.isHTMLDocument())
+    , isCSSCustomFilterEnabled(document.settings() ? document.settings()->isCSSCustomFilterEnabled() : false)
+    , isCSSStickyPositionEnabled(document.cssStickyPositionEnabled())
+    , needsSiteSpecificQuirks(document.settings() ? document.settings()->needsSiteSpecificQuirks() : false)
+    , useLegacyBackgroundSizeShorthandBehavior(document.settings() ? document.settings()->useLegacyBackgroundSizeShorthandBehavior() : false)
 {
 }
 
@@ -1151,7 +1151,7 @@ PassRefPtr<CSSValueList> CSSParser::parseFontFaceValue(const AtomicString& strin
     return static_pointer_cast<CSSValueList>(dummyStyle->getPropertyCSSValue(CSSPropertyFontFamily));
 }
 
-bool CSSParser::parseValue(MutableStylePropertySet* declaration, CSSPropertyID propertyID, const String& string, bool important, Document* document)
+bool CSSParser::parseValue(MutableStylePropertySet* declaration, CSSPropertyID propertyID, const String& string, bool important, const Document& document)
 {
     ASSERT(!string.isEmpty());
 
@@ -1164,7 +1164,7 @@ bool CSSParser::parseValue(MutableStylePropertySet* declaration, CSSPropertyID p
     if (parseKeywordValue(declaration, propertyID, string, important, context))
         return true;
 
-    CSSParser parser(context, UseCounter::getFrom(document));
+    CSSParser parser(context, UseCounter::getFrom(&document));
     return parser.parseValue(declaration, propertyID, string, important, static_cast<StyleSheetContents*>(0));
 }