Convert the few remaining ARRAYSIZE_UNSAFE -> arraysize.

device/bluetooth/bluetooth_uuid_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 "base/macros.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace device {
 
@@ skipping 77 matching lines @@
     { "1ABC", k16Bit },
     { "1aBc", k16Bit },
     { "00001abc", k32Bit },
     { "00001ABC", k32Bit },
     { "00001aBc", k32Bit },
     { "00001abc-0000-1000-8000-00805f9b34fb", k128Bit },
     { "00001ABC-0000-1000-8000-00805F9B34FB", k128Bit },
     { "00001aBc-0000-1000-8000-00805F9b34fB", k128Bit },
   };
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_cases); ++i) {
+  for (size_t i = 0; i < arraysize(test_cases); ++i) {
     SCOPED_TRACE("Input UUID: " + test_cases[i].input_uuid);
     BluetoothUUID uuid(test_cases[i].input_uuid);
     EXPECT_TRUE(uuid.IsValid());
     EXPECT_EQ(test_cases[i].expected_value, uuid.value());
     EXPECT_EQ(k128Bit, uuid.canonical_value());
   }
 }
 
 }  // namespace device