Change device IDs from unsigned to signed.

ash/touch/touchscreen_util_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 <string>
 #include <vector>
 
 #include "ash/display/display_info.h"
 #include "ash/touch/touchscreen_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 66 matching lines @@
 TEST_F(TouchscreenUtilTest, OneToOneMapping) {
   std::vector<ui::TouchscreenDevice> devices;
   devices.push_back(ui::TouchscreenDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(800, 600), 0));
   devices.push_back(ui::TouchscreenDevice(
       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1024, 768), 0));
 
   AssociateTouchscreens(&displays_, devices);
 
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
-  EXPECT_EQ(1u, displays_[1].touch_device_id());
+  EXPECT_EQ(1, displays_[1].touch_device_id());
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
-  EXPECT_EQ(2u, displays_[3].touch_device_id());
+  EXPECT_EQ(2, displays_[3].touch_device_id());
 }
 
 TEST_F(TouchscreenUtilTest, MapToCorrectDisplaySize) {
   std::vector<ui::TouchscreenDevice> devices;
   devices.push_back(ui::TouchscreenDevice(
       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1024, 768), 0));
 
   AssociateTouchscreens(&displays_, devices);
 
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[1].touch_device_id());
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
-  EXPECT_EQ(2u, displays_[3].touch_device_id());
+  EXPECT_EQ(2, displays_[3].touch_device_id());
 }
 
 TEST_F(TouchscreenUtilTest, MapWhenSizeDiffersByOne) {
   std::vector<ui::TouchscreenDevice> devices;
   devices.push_back(ui::TouchscreenDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(801, 600), 0));
   devices.push_back(ui::TouchscreenDevice(
       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1023, 768), 0));
 
   AssociateTouchscreens(&displays_, devices);
 
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
-  EXPECT_EQ(1u, displays_[1].touch_device_id());
+  EXPECT_EQ(1, displays_[1].touch_device_id());
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
-  EXPECT_EQ(2u, displays_[3].touch_device_id());
+  EXPECT_EQ(2, displays_[3].touch_device_id());
 }
 
 TEST_F(TouchscreenUtilTest, MapWhenSizesDoNotMatch) {
   std::vector<ui::TouchscreenDevice> devices;
   devices.push_back(ui::TouchscreenDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1022, 768), 0));
   devices.push_back(ui::TouchscreenDevice(
       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(802, 600), 0));
 
   AssociateTouchscreens(&displays_, devices);
 
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[0].touch_device_id());
-  EXPECT_EQ(1u, displays_[1].touch_device_id());
+  EXPECT_EQ(1, displays_[1].touch_device_id());
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
-  EXPECT_EQ(2u, displays_[3].touch_device_id());
+  EXPECT_EQ(2, displays_[3].touch_device_id());
 }
 
 TEST_F(TouchscreenUtilTest, MapInternalTouchscreen) {
   std::vector<ui::TouchscreenDevice> devices;
   devices.push_back(ui::TouchscreenDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(1920, 1080), 0));
   devices.push_back(ui::TouchscreenDevice(
       2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, gfx::Size(9999, 888), 0));
 
   AssociateTouchscreens(&displays_, devices);
 
   // Internal touchscreen is always mapped to internal display.
-  EXPECT_EQ(2u, displays_[0].touch_device_id());
-  EXPECT_EQ(1u, displays_[1].touch_device_id());
+  EXPECT_EQ(2, displays_[0].touch_device_id());
+  EXPECT_EQ(1, displays_[1].touch_device_id());
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[2].touch_device_id());
   EXPECT_EQ(ui::TouchscreenDevice::kInvalidId, displays_[3].touch_device_id());
 }
 
 }  // namespace ash