Convert ARRAYSIZE_UNSAFE -> arraysize in chrome/browser/.

chrome/browser/ui/webui/help/help_handler.cc

Index: chrome/browser/ui/webui/help/help_handler.cc
diff --git a/chrome/browser/ui/webui/help/help_handler.cc b/chrome/browser/ui/webui/help/help_handler.cc
index b28ff496ed06539d74da6f8324625862bbe3120a..f59ebf883525d05b574197905e813495fc6a3ec7 100644
--- a/chrome/browser/ui/webui/help/help_handler.cc
+++ b/chrome/browser/ui/webui/help/help_handler.cc
@@ -197,7 +197,7 @@ void HelpHandler::GetLocalizedValues(base::DictionaryValue* localized_strings) {
 #endif
   };
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(resources); ++i) {
+  for (size_t i = 0; i < arraysize(resources); ++i) {
     localized_strings->SetString(resources[i].name,
                                  l10n_util::GetStringUTF16(resources[i].ids));
   }