Disable multi-profile UI in managed mode.

chrome/browser/profiles/avatar_menu_model.cc

Index: chrome/browser/profiles/avatar_menu_model.cc
diff --git a/chrome/browser/profiles/avatar_menu_model.cc b/chrome/browser/profiles/avatar_menu_model.cc
index 9d1366d3ace42aceb9ee90b2d94c67b80a4bdd3f..29d72d8e168d679e45fd42350220674ab143b829 100644
--- a/chrome/browser/profiles/avatar_menu_model.cc
+++ b/chrome/browser/profiles/avatar_menu_model.cc
@@ -8,6 +8,7 @@
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/avatar_menu_model_observer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
@@ -19,6 +20,7 @@
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/notification_service.h"
 #include "grit/generated_resources.h"
@@ -138,6 +140,7 @@ void AvatarMenuModel::Observe(int type,
 // static
 bool AvatarMenuModel::ShouldShowAvatarMenu() {
   return ProfileManager::IsMultipleProfilesEnabled() &&
+      !g_browser_process->local_state()->GetBoolean(prefs::kInManagedMode) &&
       g_browser_process->profile_manager()->GetNumberOfProfiles() > 1;
 }