Add a button to exit managed mode.

chrome/browser/ui/cocoa/browser_window_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #include <cmath>
 #include <numeric>
 
 #include "base/command_line.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #import "base/memory/scoped_nsobject.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_*
 #include "chrome/browser/bookmarks/bookmark_editor.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/instant/instant_controller.h"
+#include "chrome/browser/managed_mode.h"
 #include "chrome/browser/profiles/avatar_menu_model.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/sync_ui_util_mac.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 1368 matching lines @@
   return [tabStripController_ isTabFullyVisible:tab];
 }
 
 - (void)showNewTabButton:(BOOL)show {
   [tabStripController_ showNewTabButton:show];
 }
 
 - (BOOL)shouldShowAvatar {
   if (![self hasTabStrip])
     return NO;
-  if (browser_->profile()->IsOffTheRecord())
+  if (browser_->profile()->IsOffTheRecord() ||
+      ManagedMode::IsInManagedMode()) {
     return YES;
+  }
 
   ProfileInfoCache& cache =
       g_browser_process->profile_manager()->GetProfileInfoCache();
   if (cache.GetIndexOfProfileWithPath(browser_->profile()->GetPath()) ==
       std::string::npos) {
     return NO;
   }
 
   return AvatarMenuModel::ShouldShowAvatarMenu();
 }
@@ skipping 787 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isTabbedWindow {
   return browser_->is_type_tabbed();
 }
 
 @end  // @implementation BrowserWindowController(WindowType)