Convert ARRAYSIZE_UNSAFE -> arraysize in base/.

base/strings/string_split_unittest.cc

 // Copyright (c) 2012 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/strings/string_split.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 294 matching lines @@
     { " ab c",   2, "ab", "c"  },
     { " ab c ",  2, "ab", "c"  },
     { " ab cd",  2, "ab", "cd" },
     { " ab cd ", 2, "ab", "cd" },
     { " \ta\t",  1, "a",  ""   },
     { " b\ta\t", 2, "b",  "a"  },
     { " b\tat",  2, "b",  "at" },
     { "b\tat",   2, "b",  "at" },
     { "b\t at",  2, "b",  "at" },
   };
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(data); ++i) {
+  for (size_t i = 0; i < arraysize(data); ++i) {
     std::vector<std::string> results;
     SplitStringAlongWhitespace(data[i].input, &results);
     ASSERT_EQ(data[i].expected_result_count, results.size());
     if (data[i].expected_result_count > 0)
       ASSERT_EQ(data[i].output1, results[0]);
     if (data[i].expected_result_count > 1)
       ASSERT_EQ(data[i].output2, results[1]);
   }
 }
 
 }  // namespace base