Remove RenderTheme::supportsDataListUI.

Source/core/rendering/RenderTheme.cpp

Index: Source/core/rendering/RenderTheme.cpp
diff --git a/Source/core/rendering/RenderTheme.cpp b/Source/core/rendering/RenderTheme.cpp
index 00eec72122ba6a992c4e97878c83b5bf9b35e5d2..d7aa06f9ecdf21f317589ff4cc357d998de3340f 100644
--- a/Source/core/rendering/RenderTheme.cpp
+++ b/Source/core/rendering/RenderTheme.cpp
@@ -1118,20 +1118,6 @@ bool RenderTheme::shouldOpenPickerWithF4Key() const
     return false;
 }
 
-bool RenderTheme::supportsDataListUI(const AtomicString& type) const
-{
-    return type == InputTypeNames::text || type == InputTypeNames::search || type == InputTypeNames::url
-        || type == InputTypeNames::tel || type == InputTypeNames::email || type == InputTypeNames::number
-        || type == InputTypeNames::color
-        || type == InputTypeNames::date
-        || type == InputTypeNames::datetime
-        || type == InputTypeNames::datetime_local
-        || type == InputTypeNames::month
-        || type == InputTypeNames::week
-        || type == InputTypeNames::time
-        || type == InputTypeNames::range;
-}
-
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 bool RenderTheme::supportsCalendarPicker(const AtomicString& type) const
 {