Pow __proto__, sock :unresolved, and clunk the created callback at once.

Source/core/dom/CustomElementUpgradeCandidateMap.h

Index: Source/core/dom/CustomElementUpgradeCandidateMap.h
diff --git a/Source/core/dom/CustomElementUpgradeCandidateMap.h b/Source/core/dom/CustomElementUpgradeCandidateMap.h
index 84d3d9186c13e27ccb19e3dca35b6d30ee5dd1c9..851bce27eed224fcf8f5a7e81e2b11b15e4d80a7 100644
--- a/Source/core/dom/CustomElementUpgradeCandidateMap.h
+++ b/Source/core/dom/CustomElementUpgradeCandidateMap.h
@@ -36,6 +36,7 @@
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/Noncopyable.h"
+#include "wtf/Vector.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/AtomicStringHash.h"
 
@@ -46,21 +47,19 @@ class CustomElementUpgradeCandidateMap {
 public:
     CustomElementUpgradeCandidateMap() { }
 
-    typedef HashSet<Element*> ElementSet;
-
     void add(CustomElementDefinition::CustomElementKind, const AtomicString& type, Element*);
-    bool contains(Element*) const;
     void remove(Element*);
-    ElementSet takeUpgradeCandidatesFor(CustomElementDefinition*);
+    Vector<Element*> takeUpgradeCandidatesFor(CustomElementDefinition*);
 
 private:
     typedef std::pair<CustomElementDefinition::CustomElementKind, AtomicString> RequiredDefinition;
-    typedef HashMap<Element*, RequiredDefinition> UnresolvedElementMap;
+    typedef HashMap<Element*, RequiredDefinition> UpgradeCandidateMap;
+    typedef HashSet<Element*> ElementSet;
     typedef HashMap<AtomicString, ElementSet> UnresolvedDefinitionMap;
 
     bool matches(CustomElementDefinition*, Element*);
 
-    UnresolvedElementMap m_unresolvedElements;
+    UpgradeCandidateMap m_upgradeCandidates;
     UnresolvedDefinitionMap m_unresolvedDefinitions;
 };