ozone: Use DeviceCapabilities in TabletEventConverterEvdev unittest

ui/events/ozone/evdev/tablet_event_converter_evdev.cc

 // Copyright 2014 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 "ui/events/ozone/evdev/tablet_event_converter_evdev.h"
 
 #include <errno.h>
 #include <linux/input.h>
 
 #include "base/message_loop/message_loop.h"
@@ skipping 13 matching lines @@
     DeviceEventDispatcherEvdev* dispatcher)
     : EventConverterEvdev(fd,
                           path,
                           id,
                           type,
                           info.name(),
                           info.vendor_id(),
                           info.product_id()),
       cursor_(cursor),
       dispatcher_(dispatcher),
+      y_abs_location_(0),
+      x_abs_location_(0),
       stylus_(0),
       abs_value_dirty_(false) {
   x_abs_min_ = info.GetAbsMinimum(ABS_X);
   x_abs_range_ = info.GetAbsMaximum(ABS_X) - x_abs_min_ + 1;
   y_abs_min_ = info.GetAbsMinimum(ABS_Y);
   y_abs_range_ = info.GetAbsMaximum(ABS_Y) - y_abs_min_ + 1;
 }
 
 TabletEventConverterEvdev::~TabletEventConverterEvdev() {
   Stop();
@@ skipping 132 matching lines @@
   UpdateCursor();
 
   dispatcher_->DispatchMouseMoveEvent(
       MouseMoveEventParams(input_device_.id, cursor_->GetLocation(),
                            TimeDeltaFromInputEvent(input)));
 
   abs_value_dirty_ = false;
 }
 
 }  // namespace ui