Reland of "Tracking reference filter mutation via SVGElementProxy"

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004-2011, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 59 matching lines @@
 class ComputedStyle;
 class SVGQualifiedName;
 class ShadowRoot;
 template <typename NodeType>
 class StaticNodeTypeList;
 using StaticNodeList = StaticNodeTypeList<Node>;
 class StyleChangeReasonForTracing;
 class Text;
 class TouchEvent;
 
-const int nodeStyleChangeShift = 19;
-const int nodeCustomElementShift = 21;
+const int nodeStyleChangeShift = 18;
+const int nodeCustomElementShift = 20;
 
 enum StyleChangeType {
   NoStyleChange = 0,
   LocalStyleChange = 1 << nodeStyleChangeShift,
   SubtreeStyleChange = 2 << nodeStyleChangeShift,
   NeedsReattachStyleChange = 3 << nodeStyleChangeShift,
 };
 
 enum class CustomElementState {
   // https://dom.spec.whatwg.org/#concept-element-custom-element-state
@@ skipping 373 matching lines @@
   }
   void markAncestorsWithChildNeedsStyleInvalidation();
   bool needsStyleInvalidation() const {
     return getFlag(NeedsStyleInvalidationFlag);
   }
   void clearNeedsStyleInvalidation() { clearFlag(NeedsStyleInvalidationFlag); }
   void setNeedsStyleInvalidation();
 
   void updateDistribution();
 
-  bool svgFilterNeedsLayerUpdate() const {
-    return getFlag(SVGFilterNeedsLayerUpdateFlag);
-  }
-  void setSVGFilterNeedsLayerUpdate() {
-    setFlag(SVGFilterNeedsLayerUpdateFlag);
-  }
-  void clearSVGFilterNeedsLayerUpdate() {
-    clearFlag(SVGFilterNeedsLayerUpdateFlag);
-  }
-
   void setIsLink(bool f);
 
   bool hasEventTargetData() const { return getFlag(HasEventTargetDataFlag); }
   void setHasEventTargetData(bool flag) {
     setFlag(flag, HasEventTargetDataFlag);
   }
 
   virtual void setFocused(bool flag);
   virtual void setActive(bool flag = true);
   virtual void setDragged(bool flag);
@@ skipping 321 matching lines @@
 
     // Tree state flags. These change when the element is added/removed
     // from a DOM tree.
     IsConnectedFlag = 1 << 10,
     IsInShadowTreeFlag = 1 << 11,
 
     // Set by the parser when the children are done parsing.
     IsFinishedParsingChildrenFlag = 1 << 12,
 
     // Flags related to recalcStyle.
-    SVGFilterNeedsLayerUpdateFlag = 1 << 13,
-    HasCustomStyleCallbacksFlag = 1 << 14,
-    ChildNeedsStyleInvalidationFlag = 1 << 15,
-    NeedsStyleInvalidationFlag = 1 << 16,
-    ChildNeedsDistributionRecalcFlag = 1 << 17,
-    ChildNeedsStyleRecalcFlag = 1 << 18,
+    HasCustomStyleCallbacksFlag = 1 << 13,
+    ChildNeedsStyleInvalidationFlag = 1 << 14,
+    NeedsStyleInvalidationFlag = 1 << 15,
+    ChildNeedsDistributionRecalcFlag = 1 << 16,
+    ChildNeedsStyleRecalcFlag = 1 << 17,
     StyleChangeMask =
         1 << nodeStyleChangeShift | 1 << (nodeStyleChangeShift + 1),
 
     CustomElementStateMask = 0x3 << nodeCustomElementShift,
 
-    HasNameOrIsEditingTextFlag = 1 << 23,
-    HasEventTargetDataFlag = 1 << 24,
+    HasNameOrIsEditingTextFlag = 1 << 22,
+    HasEventTargetDataFlag = 1 << 23,
 
-    V0CustomElementFlag = 1 << 25,
-    V0CustomElementUpgradedFlag = 1 << 26,
+    V0CustomElementFlag = 1 << 24,
+    V0CustomElementUpgradedFlag = 1 << 25,
 
-    NeedsReattachLayoutTree = 1 << 27,
-    ChildNeedsReattachLayoutTree = 1 << 28,
+    NeedsReattachLayoutTree = 1 << 26,
+    ChildNeedsReattachLayoutTree = 1 << 27,
 
     DefaultNodeFlags = IsFinishedParsingChildrenFlag | NeedsReattachStyleChange
   };
 
-  // 3 bits remaining.
+  // 4 bits remaining.
 
   bool getFlag(NodeFlags mask) const { return m_nodeFlags & mask; }
   void setFlag(bool f, NodeFlags mask) {
     m_nodeFlags = (m_nodeFlags & ~mask) | (-(int32_t)f & mask);
   }
   void setFlag(NodeFlags mask) { m_nodeFlags |= mask; }
   void clearFlag(NodeFlags mask) { m_nodeFlags &= ~mask; }
 
  protected:
   enum ConstructionType {
@@ skipping 164 matching lines @@
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showNode(const blink::Node*);
 void showTree(const blink::Node*);
 void showNodePath(const blink::Node*);
 #endif
 
 #endif  // Node_h