Revert removal of events

Source/core/testing/InternalSettings.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 200 matching lines @@
     RuntimeEnabledFeatures::setExperimentalShadowDOMEnabled(isEnabled);
 }
 
 void InternalSettings::setStyleScopedEnabled(bool enabled)
 {
     RuntimeEnabledFeatures::setStyleScopedEnabled(enabled);
 }
 
 void InternalSettings::setTouchEventEmulationEnabled(bool enabled, ExceptionCode& ec)
 {
+#if ENABLE(TOUCH_EVENTS)
     InternalSettingsGuardForSettings();
     settings()->setTouchEventEmulationEnabled(enabled);
+#else
+    UNUSED_PARAM(enabled);
+    UNUSED_PARAM(ec);
+#endif
 }
 
 typedef void (Settings::*SetFontFamilyFunction)(const AtomicString&, UScriptCode);
 static void setFontFamily(Settings* settings, const String& family, const String& script, SetFontFamilyFunction setter)
 {
     UScriptCode code = scriptNameToCode(script);
     if (code != USCRIPT_INVALID_CODE)
         (settings->*setter)(family, code);
 }
 
@@ skipping 173 matching lines @@
     settings()->setMinDOMTimerInterval(intervalInSeconds);
 }
 
 void InternalSettings::setDefaultVideoPosterURL(const String& url, ExceptionCode& ec)
 {
     InternalSettingsGuardForSettings();
     settings()->setDefaultVideoPosterURL(url);
 }
 
 }