Upgrade parser-created Custom Elements in creation order.

Source/core/dom/Node.cpp

Index: Source/core/dom/Node.cpp
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index 59130835bd32f8038896112ec26dfcc804314a51..7462ba095b3b337f155b6c6f1b45a0471da86268 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -2636,22 +2636,18 @@ void Node::setCustomElementState(CustomElementState newState)
         ASSERT_NOT_REACHED(); // Everything starts in this state
         return;
 
-    case WaitingForParser:
-        ASSERT(NotCustomElement == oldState);
-        break;
-
     case WaitingForUpgrade:
-        ASSERT(NotCustomElement == oldState || WaitingForParser == oldState);
+        ASSERT(NotCustomElement == oldState);
         break;
 
     case Upgraded:
-        ASSERT(WaitingForParser == oldState || WaitingForUpgrade == oldState);
+        ASSERT(WaitingForUpgrade == oldState);
         break;
     }
 
     ASSERT(isHTMLElement() || isSVGElement());
-    setFlag(newState & 1, CustomElementWaitingForParserOrIsUpgraded);
-    setFlag(newState & 2, CustomElementWaitingForUpgradeOrIsUpgraded);
+    setFlag(CustomElement);
+    setFlag(newState == Upgraded, CustomElementUpgraded);
 
     if (oldState == NotCustomElement || newState == Upgraded)
         setNeedsStyleRecalc(); // :unresolved has changed