Make AttachBehavior a required argument.

Source/core/html/ColorInputType.cpp

Index: Source/core/html/ColorInputType.cpp
diff --git a/Source/core/html/ColorInputType.cpp b/Source/core/html/ColorInputType.cpp
index 64d7afe8ba446a81b7db466463de53222dc46473..2d18538390d0e3f3387002631c581078b241ff37 100644
--- a/Source/core/html/ColorInputType.cpp
+++ b/Source/core/html/ColorInputType.cpp
@@ -123,8 +123,8 @@ void ColorInputType::createShadowSubtree()
     wrapperElement->setPart(AtomicString("-webkit-color-swatch-wrapper", AtomicString::ConstructFromLiteral));
     RefPtr<HTMLDivElement> colorSwatch = HTMLDivElement::create(document);
     colorSwatch->setPart(AtomicString("-webkit-color-swatch", AtomicString::ConstructFromLiteral));
-    wrapperElement->appendChild(colorSwatch.release(), ASSERT_NO_EXCEPTION);
-    element()->userAgentShadowRoot()->appendChild(wrapperElement.release(), ASSERT_NO_EXCEPTION);
+    wrapperElement->appendChild(colorSwatch.release(), ASSERT_NO_EXCEPTION, DeprecatedAttachNow);
+    element()->userAgentShadowRoot()->appendChild(wrapperElement.release(), ASSERT_NO_EXCEPTION, DeprecatedAttachNow);
 
     updateColorSwatch();
 }