Convert ARRAYSIZE_UNSAFE -> arraysize in chrome/browser/.

chrome/browser/media_galleries/win/mtp_device_object_enumerator_unittest.cc

 // Copyright (c) 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.
 //
 // MTPDeviceObjectEnumerator unit tests.
 
 #include "chrome/browser/media_galleries/win/mtp_device_object_enumerator.h"
 
 #include <ctime>
 
@@ skipping 45 matching lines @@
   MTPDeviceObjectEntries entries;
   MTPDeviceObjectEnumerator enumerator(entries);
   TestEnumeratorIsEmpty(&enumerator);
   TestNextEntryIsEmpty(&enumerator);
   TestNextEntryIsEmpty(&enumerator);
   TestEnumeratorIsEmpty(&enumerator);
 }
 
 TEST_F(MTPDeviceObjectEnumeratorWinTest, Traversal) {
   MTPDeviceObjectEntries entries;
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
+  for (size_t i = 0; i < arraysize(kTestCases); ++i) {
     entries.push_back(MTPDeviceObjectEntry(
         kTestCases[i].object_id,
         kTestCases[i].name,
         kTestCases[i].is_directory,
         kTestCases[i].size,
         base::Time::FromTimeT(kTestCases[i].last_modified_time)));
   }
   MTPDeviceObjectEnumerator enumerator(entries);
   TestEnumeratorIsEmpty(&enumerator);
   TestEnumeratorIsEmpty(&enumerator);
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
+  for (size_t i = 0; i < arraysize(kTestCases); ++i) {
     EXPECT_EQ(kTestCases[i].name, enumerator.Next().value());
     EXPECT_EQ(kTestCases[i].object_id, enumerator.GetObjectId());
     EXPECT_EQ(kTestCases[i].size, enumerator.Size());
     EXPECT_EQ(kTestCases[i].is_directory, enumerator.IsDirectory());
     EXPECT_EQ(kTestCases[i].last_modified_time,
               enumerator.LastModifiedTime().ToTimeT());
   }
   TestNextEntryIsEmpty(&enumerator);
   TestNextEntryIsEmpty(&enumerator);
   TestEnumeratorIsEmpty(&enumerator);
   TestNextEntryIsEmpty(&enumerator);
   TestEnumeratorIsEmpty(&enumerator);
 }
 
 }  // namespace