Move shadowCascadeOrder to Document from StyleEngine

third_party/WebKit/Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 191 matching lines @@
     DefaultDocumentClass = 0,
     HTMLDocumentClass = 1,
     XHTMLDocumentClass = 1 << 1,
     ImageDocumentClass = 1 << 2,
     PluginDocumentClass = 1 << 3,
     MediaDocumentClass = 1 << 4,
     SVGDocumentClass = 1 << 5,
     XMLDocumentClass = 1 << 6,
 };
 
+enum ShadowCascadeOrder {
+    ShadowCascadeNone,
+    ShadowCascadeV0,
+    ShadowCascadeV1
+};
+
 using DocumentClassFlags = unsigned char;
 
 class CORE_EXPORT Document : public ContainerNode, public TreeScope, public SecurityContext, public ExecutionContext, public Supplementable<Document>, public DocumentLifecycleNotifier {
     DEFINE_WRAPPERTYPEINFO();
     USING_GARBAGE_COLLECTED_MIXIN(Document);
 public:
     static RawPtr<Document> create(const DocumentInit& initializer = DocumentInit())
     {
         return new Document(initializer);
     }
@@ skipping 829 matching lines @@
     int nodeCount() const { return m_nodeCount; }
 
     using WeakDocumentSet = HeapHashSet<WeakMember<Document>>;
     static WeakDocumentSet& liveDocumentSet();
 
     WebTaskRunner* loadingTaskRunner() const;
     WebTaskRunner* timerTaskRunner() const;
 
     void enforceStrictMixedContentChecking();
 
+    bool mayContainV0Shadow() const { return m_mayContainV0Shadow; }
+
+    ShadowCascadeOrder shadowCascadeOrder() const { return m_shadowCascadeOrder; }
+    void setShadowCascadeOrder(ShadowCascadeOrder);
+
 protected:
     Document(const DocumentInit&, DocumentClassFlags = DefaultDocumentClass);
 
     void didUpdateSecurityOrigin() final;
 
     void clearXMLVersion() { m_xmlVersion = String(); }
 
 #if !ENABLE(OILPAN)
     void dispose() override;
 #endif
@@ skipping 41 matching lines @@
 
     void childrenChanged(const ChildrenChange&) override;
 
     String nodeName() const final;
     NodeType getNodeType() const final;
     bool childTypeAllowed(NodeType) const final;
     RawPtr<Node> cloneNode(bool deep) final;
     void cloneDataFromDocument(const Document&);
     bool isSecureContextImpl(String* errorMessage, const SecureContextCheck priviligeContextCheck) const;
 
+    ShadowCascadeOrder m_shadowCascadeOrder = ShadowCascadeNone;
+
 #if !ENABLE(OILPAN)
     void refExecutionContext() final { ref(); }
     void derefExecutionContext() final { deref(); }
 #endif
 
     const KURL& virtualURL() const final; // Same as url(), but needed for ExecutionContext to implement it without a performance loss for direct calls.
     KURL virtualCompleteURL(const String&) const final; // Same as completeURL() for the same reason as above.
 
     void reportBlockedScriptExecutionToInspector(const String& directiveText) final;
 
@@ skipping 256 matching lines @@
     OriginsUsingFeatures::Value m_originsUsingFeaturesValue;
 
     ClientHintsPreferences m_clientHintsPreferences;
 
     Member<CanvasFontCache> m_canvasFontCache;
 
     Member<IntersectionObserverController> m_intersectionObserverController;
     Member<NodeIntersectionObserverData> m_intersectionObserverData;
 
     int m_nodeCount;
+
+    bool m_mayContainV0Shadow = false;
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT Supplement<Document>;
 
 inline bool Document::shouldOverrideLegacyDescription(ViewportDescription::Type origin)
 {
     // The different (legacy) meta tags have different priorities based on the type
     // regardless of which order they appear in the DOM. The priority is given by the
     // ViewportDescription::Type enum.
     return origin >= m_legacyViewportDescription.type;
@@ skipping 29 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 CORE_EXPORT void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h