Remove HasWeakReferences node flag

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

Index: third_party/WebKit/Source/core/dom/Node.h
diff --git a/third_party/WebKit/Source/core/dom/Node.h b/third_party/WebKit/Source/core/dom/Node.h
index bb7635903f3aa1634f5df8b47f7c269609bfaad2..b0549becbe79e8c485a46152b530238fbd7ae169 100644
--- a/third_party/WebKit/Source/core/dom/Node.h
+++ b/third_party/WebKit/Source/core/dom/Node.h
@@ -842,19 +842,18 @@ class CORE_EXPORT Node : public EventTarget {
     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) {