Make AttachBehavior a required argument.

Source/core/html/BaseMultipleFieldsDateAndTimeInputType.cpp

Index: Source/core/html/BaseMultipleFieldsDateAndTimeInputType.cpp
diff --git a/Source/core/html/BaseMultipleFieldsDateAndTimeInputType.cpp b/Source/core/html/BaseMultipleFieldsDateAndTimeInputType.cpp
index e059b2775991c50f5330878765e7f10e5bb1e94c..036ae45ace2c2e1a512c34828e4f72df4676aa69 100644
--- a/Source/core/html/BaseMultipleFieldsDateAndTimeInputType.cpp
+++ b/Source/core/html/BaseMultipleFieldsDateAndTimeInputType.cpp
@@ -330,10 +330,10 @@ void BaseMultipleFieldsDateAndTimeInputType::createShadowSubtree()
     Document* document = element()->document();
     ContainerNode* container = element()->userAgentShadowRoot();
 
-    container->appendChild(DateTimeEditElement::create(document, *this));
+    container->appendChild(DateTimeEditElement::create(document, *this), ASSERT_NO_EXCEPTION, DeprecatedAttachNow);
     updateInnerTextValue();
-    container->appendChild(ClearButtonElement::create(document, *this));
-    container->appendChild(SpinButtonElement::create(document, *this));
+    container->appendChild(ClearButtonElement::create(document, *this), ASSERT_NO_EXCEPTION, DeprecatedAttachNow);
+    container->appendChild(SpinButtonElement::create(document, *this), ASSERT_NO_EXCEPTION, DeprecatedAttachNow);
 
     bool shouldAddPickerIndicator = false;
     if (InputType::themeSupportsDataListUI(this))
@@ -344,7 +344,7 @@ void BaseMultipleFieldsDateAndTimeInputType::createShadowSubtree()
         m_pickerIndicatorIsAlwaysVisible = true;
     }
     if (shouldAddPickerIndicator) {
-        container->appendChild(PickerIndicatorElement::create(document, *this));
+        container->appendChild(PickerIndicatorElement::create(document, *this), ASSERT_NO_EXCEPTION, DeprecatedAttachNow);
         m_pickerIndicatorIsVisible = true;
         updatePickerIndicatorVisibility();
     }