Make AttachBehavior a required argument.

Source/core/html/shadow/DateTimeEditElement.cpp

Index: Source/core/html/shadow/DateTimeEditElement.cpp
diff --git a/Source/core/html/shadow/DateTimeEditElement.cpp b/Source/core/html/shadow/DateTimeEditElement.cpp
index a8e0222d490d93a8f41575e7c29522d6c3fc7bb5..8286e60e1ded2637341ad27513ff127243a07e9a 100644
--- a/Source/core/html/shadow/DateTimeEditElement.cpp
+++ b/Source/core/html/shadow/DateTimeEditElement.cpp
@@ -407,9 +407,9 @@ void DateTimeEditBuilder::visitLiteral(const String& text)
     if (m_parameters.locale.isRTL() && text.length()) {
         Direction dir = direction(text[0]);
         if (dir == SegmentSeparator || dir == WhiteSpaceNeutral || dir == OtherNeutral)
-            element->appendChild(Text::create(m_editElement.document(), String(&rightToLeftMark, 1)));
+            element->appendChild(Text::create(m_editElement.document(), String(&rightToLeftMark, 1)), ASSERT_NO_EXCEPTION, DeprecatedAttachNow);
     }
-    element->appendChild(Text::create(m_editElement.document(), text));
+    element->appendChild(Text::create(m_editElement.document(), text), ASSERT_NO_EXCEPTION, DeprecatedAttachNow);
     m_editElement.fieldsWrapperElement()->appendChild(element, ASSERT_NO_EXCEPTION, AttachLazily);
 }