Fix //third_party/cec to not disable -Wunused-function.

device/bluetooth/bluetooth_device_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 "device/bluetooth/bluetooth_device.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service.h"
 #include "device/bluetooth/test/test_bluetooth_adapter_observer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_ANDROID)
 #include "device/bluetooth/test/bluetooth_test_android.h"
 #elif defined(OS_MACOSX)
 #include "device/bluetooth/test/bluetooth_test_mac.h"
 #elif defined(OS_WIN)
 #include "device/bluetooth/test/bluetooth_test_win.h"
 #elif defined(OS_CHROMEOS) || defined(OS_LINUX)
 #include "device/bluetooth/test/bluetooth_test_bluez.h"
 #endif
 
 namespace device {
 
+#if defined(OS_ANDROID) || defined(OS_MACOSX)
+
 namespace {
 
 int8_t ToInt8(BluetoothTest::TestRSSI rssi) {
   return static_cast<int8_t>(rssi);
 }
 
 int8_t ToInt8(BluetoothTest::TestTxPower tx_power) {
   return static_cast<int8_t>(tx_power);
 }
 
 }  // namespace
 
+#endif
+
 using UUIDSet = BluetoothDevice::UUIDSet;
 using ServiceDataMap = BluetoothDevice::ServiceDataMap;
 
 TEST(BluetoothDeviceTest, CanonicalizeAddressFormat_AcceptsAllValidFormats) {
   // There are three valid separators (':', '-', and none).
   // Case shouldn't matter.
   const char* const kValidFormats[] = {
     "1A:2B:3C:4D:5E:6F",
     "1a:2B:3c:4D:5e:6F",
     "1a:2b:3c:4d:5e:6f",
@@ skipping 1278 matching lines @@
 
   BluetoothDevice* device2 = SimulateLowEnergyDevice(6);
   EXPECT_EQ(BLUETOOTH_TRANSPORT_DUAL, device2->GetType());
 
   BluetoothDevice* device3 = SimulateClassicDevice();
   EXPECT_EQ(BLUETOOTH_TRANSPORT_CLASSIC, device3->GetType());
 }
 #endif  // defined(OS_CHROMEOS) || defined(OS_LINUX)
 
 }  // namespace device