Remove the compile time flag for DATALIST Element.

Source/WebKit/chromium/src/WebRuntimeFeatures.cpp

Index: Source/WebKit/chromium/src/WebRuntimeFeatures.cpp
diff --git a/Source/WebKit/chromium/src/WebRuntimeFeatures.cpp b/Source/WebKit/chromium/src/WebRuntimeFeatures.cpp
index fbfeaf684d6c6d6505cfbde2aec07507871e959a..61389a7ffc2d40c4374cae69ca64c0237d08920d 100644
--- a/Source/WebKit/chromium/src/WebRuntimeFeatures.cpp
+++ b/Source/WebKit/chromium/src/WebRuntimeFeatures.cpp
@@ -560,4 +560,14 @@ bool WebRuntimeFeatures::isWebPInAcceptHeaderEnabled()
     return RuntimeEnabledFeatures::webPInAcceptHeaderEnabled();
 }
 
+void WebRuntimeFeatures::enableDataListElement(bool enable)
+{
+    RuntimeEnabledFeatures::setDataListElementEnabled(enable);
+}
+
+bool WebRuntimeFeatures::isDataListElementEnabled()
+{
+    return RuntimeEnabledFeatures::dataListElementEnabled();
+}
+
 } // namespace WebKit