Remove HasWeakReferences node flag

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 824 matching lines @@
     ChildNeedsStyleInvalidationFlag = 1 << 15,
     NeedsStyleInvalidationFlag = 1 << 16,
     ChildNeedsDistributionRecalcFlag = 1 << 17,
     ChildNeedsStyleRecalcFlag = 1 << 18,
     StyleChangeMask =
         1 << nodeStyleChangeShift | 1 << (nodeStyleChangeShift + 1),
 
     CustomElementStateMask = 0x3 << nodeCustomElementShift,
 
     HasNameOrIsEditingTextFlag = 1 << 23,
-    HasWeakReferencesFlag = 1 << 24,
-    HasEventTargetDataFlag = 1 << 25,
+    HasEventTargetDataFlag = 1 << 24,
 
-    V0CustomElementFlag = 1 << 26,
-    V0CustomElementUpgradedFlag = 1 << 27,
+    V0CustomElementFlag = 1 << 25,
+    V0CustomElementUpgradedFlag = 1 << 26,
 
-    NeedsReattachLayoutTree = 1 << 28,
-    ChildNeedsReattachLayoutTree = 1 << 29,
+    NeedsReattachLayoutTree = 1 << 27,
+    ChildNeedsReattachLayoutTree = 1 << 28,
 
     DefaultNodeFlags = IsFinishedParsingChildrenFlag | NeedsReattachStyleChange
   };
 
-  // 1 bit remaining.
+  // 3 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