Convert ARRAYSIZE_UNSAFE -> arraysize in chrome/browser/.

chrome/browser/browser_about_handler_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/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 50 matching lines @@
       },
       {
         GURL(chrome_prefix + "host/path?query#ref"),
         GURL(chrome_prefix + "host/path?query#ref"),
       }
   };
   base::MessageLoopForUI message_loop;
   content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop);
   TestingProfile profile;
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_data); ++i) {
+  for (size_t i = 0; i < arraysize(test_data); ++i) {
     GURL url(test_data[i].test_url);
     WillHandleBrowserAboutURL(&url, &profile);
     EXPECT_EQ(test_data[i].result_url, url);
   }
 }