[ChromeOS] WebUILoginView returns true for IsPopupOrPanel.

chrome/browser/chromeos/login/webui_login_view.cc

 // Copyright (c) 2011 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/chromeos/login/webui_login_view.h"
 
 #include "chrome/browser/chromeos/accessibility_util.h"
 #include "chrome/browser/chromeos/login/proxy_settings_dialog.h"
 #include "chrome/browser/chromeos/login/webui_login_display.h"
 #include "chrome/browser/chromeos/status/clock_menu_button.h"
@@ skipping 230 matching lines @@
 
 bool WebUILoginView::HandleContextMenu(const ContextMenuParams& params) {
   // Do not show the context menu.
 #ifndef NDEBUG
   return false;
 #else
   return true;
 #endif
 }
 
+bool WebUILoginView::IsPopupOrPanel(const TabContents* source) const {
+  return true;
+}
+
 bool WebUILoginView::TakeFocus(bool reverse) {
   // Forward the focus back to web contents.
   webui_login_->tab_contents()->FocusThroughTabTraversal(reverse);
   return true;
 }
 
 void WebUILoginView::HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {
   unhandled_keyboard_event_handler_.HandleKeyboardEvent(event,
                                                         GetFocusManager());
 
   // Make sure error bubble is cleared on keyboard event. This is needed
   // when the focus is inside an iframe.
   WebUI* web_ui = GetWebUI();
   if (web_ui)
     web_ui->CallJavascriptFunction("cr.ui.Oobe.clearErrors");
 }
 
 }  // namespace chromeos