ui: Remove some unnecessary functions from the API.

chrome/browser/chromeos/device_uma.cc

 // Copyright 2013 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 "chrome/browser/chromeos/device_uma.h"
 
 #include <X11/extensions/XInput.h>
 #include <X11/extensions/XInput2.h>
 
 #include "base/logging.h"
@@ skipping 67 matching lines @@
       UMA_HISTOGRAM_ENUMERATION("Touchpad.Metrics",
                                 UMA_CROS_GESTURE_METRICS_NOISY_GROUND,
                                 UMA_CROS_GESTURE_METRICS_COUNT);
     }
   }
 }
 
 void DeviceUMA::CheckIncomingEvent(XEvent* event) {
   switch (event->type) {
     case GenericEvent: {
-      if (ui::DeviceDataManagerX11::GetInstance()->IsXIDeviceEvent(event) &&
-          ui::IsTouchpadEvent(event))
+      ui::DeviceDataManagerX11* devices =
+          ui::DeviceDataManagerX11::GetInstance();
+      if (devices->IsXIDeviceEvent(event) &&
+          devices->IsTouchpadXInputEvent(event)) {
         CheckTouchpadEvent(event);
+      }
       break;
     }
     default:
       break;
   }
   return;
 }
 
 }  // namespace chromeos