touch: Always expect XInput2 availability.

views/touchui/touch_factory.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "views/touchui/touch_factory.h"
 
-#if defined(HAVE_XINPUT2)
-
 #include <gtk/gtk.h>
 #include <gdk/gdkx.h>
 #include <X11/cursorfont.h>
 #include <X11/extensions/XInput.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/extensions/XIproto.h>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 395 matching lines @@
                                       float* max) {
   if (valuator_lookup_[deviceid][tp] >= 0) {
     *min = touch_param_min_[deviceid][tp];
     *max = touch_param_max_[deviceid][tp];
     return true;
   }
   return false;
 }
 
 }  // namespace views
-
-#endif  // defined(HAVE_XINPUT2)