Convert ARRAYSIZE_UNSAFE -> arraysize in chrome/browser/.

chrome/browser/task_manager/task_manager_util_unittest.cc

 // Copyright 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.
 
 #include "chrome/browser/task_manager/task_manager_util.h"
 
 #include "base/basictypes.h"
 #include "chrome/grit/generated_resources.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 13 matching lines @@
   const Configuration configs[] = {
       // Use implicit int->bool conversion to save space and keep alignment.
       {1, 0, 0, 0, 1, IDS_TASK_MANAGER_BACKGROUND_PREFIX},
       {1, 0, 1, 0, 0, IDS_TASK_MANAGER_APP_INCOGNITO_PREFIX},
       {1, 0, 0, 0, 0, IDS_TASK_MANAGER_APP_PREFIX},
       {0, 1, 1, 0, 0, IDS_TASK_MANAGER_EXTENSION_INCOGNITO_PREFIX},
       {0, 1, 0, 0, 0, IDS_TASK_MANAGER_EXTENSION_PREFIX},
       {0, 0, 0, 1, 0, IDS_TASK_MANAGER_PRERENDER_PREFIX},
       {0, 0, 1, 0, 0, IDS_TASK_MANAGER_TAB_INCOGNITO_PREFIX},
       {0, 0, 0, 0, 0, IDS_TASK_MANAGER_TAB_PREFIX}};
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(configs); ++i) {
+  for (size_t i = 0; i < arraysize(configs); ++i) {
     EXPECT_EQ(configs[i].expected_result,
               GetMessagePrefixID(configs[i].is_app,
                                  configs[i].is_extension,
                                  configs[i].is_incognito,
                                  configs[i].is_prerender,
                                  configs[i].is_background));
   }
 }
 
 } //  namespace util
 
 } //  namespace task_manager