Map fullscreen button to maximize

chrome/browser/ui/ash/chrome_shell_delegate.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 "chrome/browser/ui/ash/chrome_shell_delegate.h"
 
 #include "ash/launcher/launcher_types.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
@@ skipping 331 matching lines @@
   return new UserActionHandler;
 }
 
 void ChromeShellDelegate::OpenFeedbackPage() {
   chrome::OpenFeedbackDialog(GetTargetBrowser());
 }
 
 void ChromeShellDelegate::RecordUserMetricsAction(
     ash::UserMetricsAction action) {
   switch (action) {
+    case ash::UMA_ACCEL_MAXIMIZE_RESTORE_F4:
+      content::RecordAction(
+          content::UserMetricsAction("Accel_Maximize_Restore_F4"));
+      break;
     case ash::UMA_ACCEL_PREVWINDOW_TAB:
       content::RecordAction(content::UserMetricsAction("Accel_PrevWindow_Tab"));
       break;
     case ash::UMA_ACCEL_NEXTWINDOW_TAB:
       content::RecordAction(content::UserMetricsAction("Accel_NextWindow_Tab"));
       break;
     case ash::UMA_ACCEL_PREVWINDOW_F5:
       content::RecordAction(content::UserMetricsAction("Accel_PrevWindow_F5"));
       break;
     case ash::UMA_ACCEL_NEXTWINDOW_F5:
@@ skipping 55 matching lines @@
       ash::Shell::GetInstance()->ShowLauncher();
       break;
     default:
       NOTREACHED() << "Unexpected notification " << type;
   }
 #else
   // MSVC++ warns about switch statements without any cases.
   NOTREACHED() << "Unexpected notification " << type;
 #endif
 }