Enable HTMLImageElement to avoid immediate src loading when parsed

Source/core/dom/Element.h

Index: Source/core/dom/Element.h
diff --git a/Source/core/dom/Element.h b/Source/core/dom/Element.h
index ff899822534bda2e6f24c4e82643280cf7dd64f6..2167280b3bec1931e4d2a55c6d875587acc8be52 100644
--- a/Source/core/dom/Element.h
+++ b/Source/core/dom/Element.h
@@ -536,6 +536,7 @@ public:
 protected:
     Element(const QualifiedName& tagName, Document* document, ConstructionType type)
         : ContainerNode(document, type)
+        , m_parserSet(false)
         , m_tagName(tagName)
     {
         ScriptWrappable::init(this);
@@ -577,6 +578,7 @@ protected:
     PassRefPtr<RenderStyle> originalStyleForRenderer();
 
     Node* insertAdjacent(const String& where, Node* newChild, ExceptionState&);
+    bool m_parserSet;
 
 private:
     void styleAttributeChanged(const AtomicString& newStyleString, AttributeModificationReason);