Track whether an element was inserted via document.write

third_party/WebKit/Source/build/scripts/templates/ElementFactory.cpp.tmpl

Index: third_party/WebKit/Source/build/scripts/templates/ElementFactory.cpp.tmpl
diff --git a/third_party/WebKit/Source/build/scripts/templates/ElementFactory.cpp.tmpl b/third_party/WebKit/Source/build/scripts/templates/ElementFactory.cpp.tmpl
index 63728fe7f387f2ae67179775f55c264fd2678f2b..143d38db11eda3e56689e40eab1c90b2235fcd5b 100644
--- a/third_party/WebKit/Source/build/scripts/templates/ElementFactory.cpp.tmpl
+++ b/third_party/WebKit/Source/build/scripts/templates/ElementFactory.cpp.tmpl
@@ -48,7 +48,7 @@ static RawPtr<{{namespace}}Element> {{tag|symbol}}Constructor(
         {%- if tag.multipleTagNames %}{{tag|symbol}}Tag, {% endif -%}
         document
         {%- if namespace == 'HTML' and tag.constructorNeedsFormElement %}, formElement{% endif -%}
-        {%- if tag.constructorNeedsCreatedByParser %}, createdByParser{% endif -%}
+        {%- if tag.constructorNeedsCreatedByParser %}, createdByParser ? ParserInserted : DefaultContext{% endif -%}
     );
 }
 {% endfor %}
@@ -84,7 +84,7 @@ RawPtr<{{namespace}}Element> {{namespace}}ElementFactory::create{{namespace}}Ele
     if (!g_constructors)
         create{{namespace}}FunctionMap();
     if (ConstructorFunction function = g_constructors->get(localName))
-        return function(document, {% if namespace == 'HTML' %}formElement, {% endif %}createdByParser);
+        return function(document, {% if namespace == 'HTML' %}formElement, {% endif %}createdByParser ? ParserInserted : DefaultContext);
 
     if (document.registrationContext() && CustomElement::isValidName(localName)) {
         RawPtr<Element> element = document.registrationContext()->createCustomTagElement(document, QualifiedName(nullAtom, localName, {{namespace_prefix}}NamespaceURI));