Do not show menus for opening datetime/network/language config pages on lock screen.

chrome/browser/ui/views/aura/status_area_host_aura.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/views/aura/status_area_host_aura.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "base/command_line.h"
 #include "chrome/browser/chromeos/status/clock_menu_button.h"
@@ skipping 129 matching lines @@
 #endif
 }
 
 // StatusAreaButton::Delegate implementation.
 
 bool StatusAreaHostAura::ShouldExecuteStatusAreaCommand(
     const views::View* button_view, int command_id) const {
 #if defined(OS_CHROMEOS)
   if (chromeos::StatusAreaViewChromeos::IsLoginMode()) {
     // In login mode network options command means proxy settings dialog.
-    if (command_id == StatusAreaButton::Delegate::SHOW_NETWORK_OPTIONS)
-      return true;
-    else
-      return false;
+    return command_id == StatusAreaButton::Delegate::SHOW_NETWORK_OPTIONS;
   } else {
-    return true;
+    return !chromeos::StatusAreaViewChromeos::IsScreenLockMode();
   }
 #else
   // TODO(stevenjb): system options for non-chromeos Aura?
   return false;
 #endif
 }
 
 void StatusAreaHostAura::ExecuteStatusAreaCommand(
     const views::View* button_view, int command_id) {
 #if defined(OS_CHROMEOS)
@@ skipping 115 matching lines @@
 }
 
 void StatusAreaHostAura::UpdateAppearance() {
   status_area_view_->UpdateButtonTextStyle();
 
   gfx::Size offset = IsLoginOrLockScreenDisplayed() ?
       GetCompactModeLoginAndLockOffset() :
       GetCompactModeBrowserOffset();
   ash::Shell::GetInstance()->SetCompactStatusAreaOffset(offset);
 }