Change device IDs from unsigned to signed.

ui/views/controls/menu/menu_controller_unittest.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/views/controls/menu/menu_controller.h"
 
 #include "base/run_loop.h"
 #include "ui/aura/scoped_window_targeter.h"
 #include "ui/aura/window.h"
 #include "ui/events/event_handler.h"
@@ skipping 278 matching lines @@
 
 // Tests that touch event ids are released correctly. See
 // crbug.com/439051 for details. When the ids aren't managed
 // correctly, we get stuck down touches.
 TEST_F(MenuControllerTest, TouchIdsReleasedCorrectly) {
   scoped_ptr<Widget> owner(CreateOwnerWidget());
   TestEventHandler test_event_handler;
   owner->GetNativeWindow()->GetRootWindow()->AddPreTargetHandler(
       &test_event_handler);
 
-  std::vector<unsigned int> devices;
+  std::vector<int> devices;
   devices.push_back(1);
   ui::SetUpTouchDevicesForTest(devices);
 
   DispatchTouch(XI_TouchBegin, 0);
   DispatchTouch(XI_TouchBegin, 1);
   DispatchTouch(XI_TouchEnd, 0);
 
   message_loop()->PostTask(FROM_HERE,
                            base::Bind(&MenuControllerTest::DispatchTouch,
                                       base::Unretained(this), XI_TouchEnd, 1));
 
   message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&MenuControllerTest::DispatchEscapeAndExpect,
                  base::Unretained(this), MenuController::EXIT_OUTERMOST));
 
   RunMenu(owner.get());
   EXPECT_EQ(0, test_event_handler.outstanding_touches());
 
   owner->GetNativeWindow()->GetRootWindow()->RemovePreTargetHandler(
       &test_event_handler);
 }
 #endif // defined(USE_X11)
 
 }  // namespace views