Revert of Use Shadow DOM to display fallback content for images

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index 8e399e576052eed379dec9e843c973351525068f..d0704564663d4357c2add46e8a78209cd188920e 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -128,7 +128,9 @@
     , m_inputType(InputType::createText(*this))
     , m_inputTypeView(m_inputType)
 {
+#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
     setHasCustomStyleCallbacks();
+#endif
 }
 
 PassRefPtrWillBeRawPtr<HTMLInputElement> HTMLInputElement::create(Document& document, HTMLFormElement* form, bool createdByParser)
@@ -1829,10 +1831,12 @@
     return m_inputType->isInteractiveContent();
 }
 
+#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 PassRefPtr<RenderStyle> HTMLInputElement::customStyleForRenderer()
 {
     return m_inputTypeView->customStyleForRenderer(originalStyleForRenderer());
 }
+#endif
 
 bool HTMLInputElement::shouldDispatchFormControlChangeEvent(String& oldValue, String& newValue)
 {
@@ -1849,14 +1853,4 @@
     return m_inputTypeView->popupRootAXObject();
 }
 
-void HTMLInputElement::ensureFallbackContent()
-{
-    m_inputTypeView->ensureFallbackContent();
-}
-
-void HTMLInputElement::ensurePrimaryContent()
-{
-    m_inputTypeView->ensurePrimaryContent();
-}
-
 } // namespace