Skeleton implementation of CSS Properties and Values API

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

Index: third_party/WebKit/Source/core/dom/Document.h
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
index d641d2076d6b54f2eca18e4a68df8338b47f539b..03f585c517d734a9800e71b41f40cd393d7f20b2 100644
--- a/third_party/WebKit/Source/core/dom/Document.h
+++ b/third_party/WebKit/Source/core/dom/Document.h
@@ -140,6 +140,7 @@ class OriginAccessEntry;
 class Page;
 class PlatformMouseEvent;
 class ProcessingInstruction;
+class PropertyRegistry;
 class QualifiedName;
 class Range;
 class ResizeObserverController;
@@ -1094,6 +1095,8 @@ public:
 
     bool isInMainFrame() const;
 
+    PropertyRegistry* propertyRegistry();
+
 protected:
     Document(const DocumentInit&, DocumentClassFlags = DefaultDocumentClass);
 
@@ -1416,6 +1419,8 @@ private:
     bool m_mayContainV0Shadow = false;
 
     Member<SnapCoordinator> m_snapCoordinator;
+
+    Member<PropertyRegistry> m_propertyRegistry;
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT Supplement<Document>;