Change device IDs from unsigned to signed.

ui/events/test/events_test_utils_x11.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 "ui/events/test/events_test_utils_x11.h"
 
 #include <X11/extensions/XI2.h>
 #include <X11/keysym.h>
 #include <X11/X.h>
 #include <X11/Xlib.h>
@@ skipping 268 matching lines @@
   CHECK_EQ(GenericEvent, event_->type);
   XIDeviceEvent* xiev = static_cast<XIDeviceEvent*>(event_->xcookie.data);
   InitValuatorsForXIDeviceEvent(xiev);
   ui::DeviceDataManagerX11* manager = ui::DeviceDataManagerX11::GetInstance();
   for (size_t i = 0; i < valuators.size(); ++i) {
     manager->SetValuatorDataForTest(xiev, valuators[i].data_type,
                                     valuators[i].value);
   }
 }
 
-void SetUpTouchPadForTest(unsigned int deviceid) {
-  std::vector<unsigned int> device_list;
+void SetUpTouchPadForTest(int deviceid) {
+  std::vector<int> device_list;
   device_list.push_back(deviceid);
 
   TouchFactory::GetInstance()->SetPointerDeviceForTest(device_list);
   ui::DeviceDataManagerX11* manager = ui::DeviceDataManagerX11::GetInstance();
-  manager->SetDeviceListForTest(std::vector<unsigned int>(), device_list);
+  manager->SetDeviceListForTest(std::vector<int>(), device_list);
 }
 
-void SetUpTouchDevicesForTest(const std::vector<unsigned int>& devices) {
+void SetUpTouchDevicesForTest(const std::vector<int>& devices) {
   TouchFactory::GetInstance()->SetTouchDeviceForTest(devices);
   ui::DeviceDataManagerX11* manager = ui::DeviceDataManagerX11::GetInstance();
-  manager->SetDeviceListForTest(devices, std::vector<unsigned int>());
+  manager->SetDeviceListForTest(devices, std::vector<int>());
 }
 
 }  // namespace ui