Remove HasPendingResources flag.

sky/engine/core/dom/Element.h

Index: sky/engine/core/dom/Element.h
diff --git a/sky/engine/core/dom/Element.h b/sky/engine/core/dom/Element.h
index b14500b01e29b89d7d3c4f4a1d6164d6cf3e7ada..39008e6b721e16cac72dcb1fac93d43708e64e61 100644
--- a/sky/engine/core/dom/Element.h
+++ b/sky/engine/core/dom/Element.h
@@ -77,7 +77,6 @@ enum SpellcheckAttributeState {
 
 enum ElementFlags {
     TabIndexWasSetExplicitly = 1 << 0,
-    HasPendingResources = 1 << 1,
 
     NumberOfElementFlags = 2, // Required size of bitfield used to store the flags.
 };
@@ -345,11 +344,6 @@ public:
     // to event listeners, and prevents DOMActivate events from being sent at all.
     virtual bool isDisabledFormControl() const { return false; }
 
-    bool hasPendingResources() const { return hasElementFlag(HasPendingResources); }
-    void setHasPendingResources() { setElementFlag(HasPendingResources); }
-    void clearHasPendingResources() { clearElementFlag(HasPendingResources); }
-    virtual void buildPendingResource() { };
-
     void setCustomElementDefinition(PassRefPtr<CustomElementDefinition>);
     CustomElementDefinition* customElementDefinition() const;