Support for CSSOM CSSNamespaceRule interface

Source/core/css/StyleSheetContents.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2012 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 26 matching lines @@
 namespace blink {
 
 class CSSStyleSheet;
 class CSSStyleSheetResource;
 class Document;
 class Node;
 class SecurityOrigin;
 class StyleRuleBase;
 class StyleRuleFontFace;
 class StyleRuleImport;
+class StyleRuleNamespace;
 
 class CORE_EXPORT StyleSheetContents : public RefCountedWillBeGarbageCollectedFinalized<StyleSheetContents> {
 public:
     static PassRefPtrWillBeRawPtr<StyleSheetContents> create(const CSSParserContext& context)
     {
         return adoptRefWillBeNoop(new StyleSheetContents(0, String(), context));
     }
     static PassRefPtrWillBeRawPtr<StyleSheetContents> create(const String& originalURL, const CSSParserContext& context)
     {
         return adoptRefWillBeNoop(new StyleSheetContents(0, originalURL, context));
@@ skipping 39 matching lines @@
     void findFontFaceRules(WillBeHeapVector<RawPtrWillBeMember<const StyleRuleFontFace>>& fontFaceRules);
 
     void parserAddNamespace(const AtomicString& prefix, const AtomicString& uri);
     void parserAppendRule(PassRefPtrWillBeRawPtr<StyleRuleBase>);
 
     void clearRules();
 
     // Rules other than @import.
     const WillBeHeapVector<RefPtrWillBeMember<StyleRuleBase>>& childRules() const { return m_childRules; }
     const WillBeHeapVector<RefPtrWillBeMember<StyleRuleImport>>& importRules() const { return m_importRules; }
+    const WillBeHeapVector<RefPtrWillBeMember<StyleRuleNamespace>>& namespaceRules() const { return m_namespaceRules; }
 
     void notifyLoadedSheet(const CSSStyleSheetResource*);
 
     StyleSheetContents* parentStyleSheet() const;
     StyleRuleImport* ownerRule() const { return m_ownerRule; }
     void clearOwnerRule() { m_ownerRule = nullptr; }
 
     // Note that href is the URL that started the redirect chain that led to
     // this style sheet. This property probably isn't useful for much except
     // the JavaScript binding (which needs to use this value for security).
     String originalURL() const { return m_originalURL; }
     const KURL& baseURL() const { return m_parserContext.baseURL(); }
 
     unsigned ruleCount() const;
     StyleRuleBase* ruleAt(unsigned index) const;
 
     unsigned estimatedSizeInBytes() const;
 
     bool wrapperInsertRule(PassRefPtrWillBeRawPtr<StyleRuleBase>, unsigned index);
-    void wrapperDeleteRule(unsigned index);
+    bool wrapperDeleteRule(unsigned index);
 
     PassRefPtrWillBeRawPtr<StyleSheetContents> copy() const
     {
         return adoptRefWillBeNoop(new StyleSheetContents(*this));
     }
 
     void registerClient(CSSStyleSheet*);
     void unregisterClient(CSSStyleSheet*);
     size_t clientSize() const { return m_loadingClients.size() + m_completedClients.size(); }
     bool hasOneClient() { return clientSize() == 1; }
@@ skipping 29 matching lines @@
     StyleSheetContents& operator=(const StyleSheetContents&) = delete;
     void notifyRemoveFontFaceRule(const StyleRuleFontFace*);
 
     Document* clientSingleOwnerDocument() const;
 
     RawPtrWillBeMember<StyleRuleImport> m_ownerRule;
 
     String m_originalURL;
 
     WillBeHeapVector<RefPtrWillBeMember<StyleRuleImport>> m_importRules;
+    WillBeHeapVector<RefPtrWillBeMember<StyleRuleNamespace>> m_namespaceRules;
     WillBeHeapVector<RefPtrWillBeMember<StyleRuleBase>> m_childRules;
     typedef HashMap<AtomicString, AtomicString> PrefixNamespaceURIMap;
     PrefixNamespaceURIMap m_namespaces;
     AtomicString m_defaultNamespace;
 
     bool m_hasSyntacticallyValidCSSHeader : 1;
     bool m_didLoadErrorOccur : 1;
     bool m_isMutable : 1;
     bool m_isInMemoryCache : 1;
     bool m_hasFontFaceRule : 1;
     bool m_hasMediaQueries : 1;
     bool m_hasSingleOwnerDocument : 1;
 
     CSSParserContext m_parserContext;
 
     WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSStyleSheet>> m_loadingClients;
     WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSStyleSheet>> m_completedClients;
 
     OwnPtrWillBeMember<RuleSet> m_ruleSet;
     String m_sourceMapURL;
 };
 
 } // namespace
 
 #endif