Auto-generate InputTypeNames source from InputTypeNames.in.

Source/core/html/forms/MonthInputType.cpp

Index: Source/core/html/forms/MonthInputType.cpp
diff --git a/Source/core/html/forms/MonthInputType.cpp b/Source/core/html/forms/MonthInputType.cpp
index 1652dff105034612bfdba5915c92adb06749458d..3003558693df0ab5e7ef9c346b4431894d1f6fea 100644
--- a/Source/core/html/forms/MonthInputType.cpp
+++ b/Source/core/html/forms/MonthInputType.cpp
@@ -32,9 +32,9 @@
 #include "core/html/forms/MonthInputType.h"
 
 #include "HTMLNames.h"
+#include "InputTypeNames.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/forms/DateTimeFieldsState.h"
-#include "core/html/forms/InputTypeNames.h"
 #include "platform/DateComponents.h"
 #include "platform/text/PlatformLocale.h"
 #include "wtf/CurrentTime.h"
@@ -63,7 +63,7 @@ void MonthInputType::countUsage()
 
 const AtomicString& MonthInputType::formControlType() const
 {
-    return InputTypeNames::month();
+    return InputTypeNames::month;
 }
 
 DateComponents::Type MonthInputType::dateType() const