Add quit item to app menu.

chrome/browser/app_controller_mac.mm

Index: chrome/browser/app_controller_mac.mm
diff --git a/chrome/browser/app_controller_mac.mm b/chrome/browser/app_controller_mac.mm
index 34147c631f762cd7464502ce67f7c09f8574081e..214a6d59791ef4d5c8beae59537e234ed3177636 100644
--- a/chrome/browser/app_controller_mac.mm
+++ b/chrome/browser/app_controller_mac.mm
@@ -382,27 +382,12 @@ class AppControllerProfileObserver : public ProfileInfoCacheObserver {
 }
 
 - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication*)app {
-  using apps::ShellWindowRegistry;
-
   // If there are no windows, quit immediately.
   if (chrome::BrowserIterator().done() &&
-      !ShellWindowRegistry::IsShellWindowRegisteredInAnyProfile(0)) {
+      !apps::ShellWindowRegistry::IsShellWindowRegisteredInAnyProfile(0)) {
     return NSTerminateNow;
   }
 
-  // Check if this is a keyboard initiated quit on an app window. If so, quit
-  // the app. This could cause the app to trigger another terminate, but that
-  // will be caught by the no windows condition above.
-  if ([[app currentEvent] type] == NSKeyDown) {
-    apps::ShellWindow* shellWindow =
-        ShellWindowRegistry::GetShellWindowForNativeWindowAnyProfile(
-            [app keyWindow]);
-    if (shellWindow) {
-      apps::ExtensionAppShimHandler::QuitAppForWindow(shellWindow);
-      return NSTerminateCancel;
-    }
-  }
-
   // Check if the preference is turned on.
   const PrefService* prefs = g_browser_process->local_state();
   if (!prefs->GetBoolean(prefs::kConfirmToQuitEnabled)) {