Convert the few remaining ARRAYSIZE_UNSAFE -> arraysize.

mojo/examples/window_manager/debug_panel.cc

 // Copyright 2014 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 "mojo/examples/window_manager/debug_panel.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "mojo/services/public/cpp/view_manager/view.h"
 #include "mojo/views/native_widget_view_manager.h"
@@ skipping 81 matching lines @@
   navigation_target_label_->SetBounds(
       kControlBorderInset, y, w,
       navigation_target_label_->GetPreferredSize().height());
   y += navigation_target_label_->height();
 
   views::RadioButton* radios[] = {
     navigation_target_default_,
     navigation_target_new_,
     navigation_target_source_,
   };
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(radios); ++i) {
+  for (size_t i = 0; i < arraysize(radios); ++i) {
     radios[i]->SetBounds(kControlBorderInset, y, w,
                          radios[i]->GetPreferredSize().height());
     y += radios[i]->height();
   }
 
   y += kControlBorderInset;
   views::Button* buttons[] = {
     colored_square_,
     close_last_,
     cross_app_,
   };
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(buttons); ++i) {
+  for (size_t i = 0; i < arraysize(buttons); ++i) {
     buttons[i]->SetBounds(kControlBorderInset, y, w,
                           buttons[i]->GetPreferredSize().height());
     y += buttons[i]->height();
   }
 }
 
 void DebugPanel::ButtonPressed(views::Button* sender, const ui::Event& event) {
   if (sender == colored_square_) {
     Navigate("mojo://mojo_embedded_app/");
   } else if (sender == close_last_) {
     delegate_->CloseTopWindow();
   } else if (sender == cross_app_) {
     Navigate("http://www.aaronboodman.com/z_dropbox/test.html");
   }
 }
 
 void DebugPanel::Navigate(const std::string& url) {
   URLRequestPtr request(URLRequest::New());
   request->url = url;
   delegate_->RequestNavigate(view_->id(), TARGET_NEW_NODE, request.Pass());
 }
 
 }  // namespace examples
 }  // namespace mojo