Remove "solo window" feature

chrome/browser/chromeos/login/login_display_host_impl.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/chromeos/login/login_display_host_impl.h"
 
 #include <vector>
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
-#include "ash/wm/solo_window_tracker.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 921 matching lines @@
       break;
     default:
       NOTREACHED();
       break;
   }
 }
 
 void LoginDisplayHostImpl::InitLoginWindowAndView() {
   if (login_window_)
     return;
-  ash::SoloWindowTracker::SetSoloHeaderEnabled(false);
 
   if (system::keyboard_settings::ForceKeyboardDrivenUINavigation()) {
     views::FocusManager::set_arrow_key_traversal_enabled(true);
 
     focus_ring_controller_.reset(new FocusRingController);
     focus_ring_controller_->SetVisible(true);
 
     keyboard_driven_oobe_key_handler_.reset(new KeyboardDrivenOobeKeyHandler);
   }
 
@@ skipping 33 matching lines @@
   } else {
     LOG(WARNING) << "Login WebUI >> login wnd is hidden on create";
     login_view_->set_is_hidden(true);
   }
   login_window_->GetNativeView()->SetName("WebUILoginView");
 }
 
 void LoginDisplayHostImpl::ResetLoginWindowAndView() {
   if (!login_window_)
     return;
-  ash::SoloWindowTracker::SetSoloHeaderEnabled(true);
   login_window_->Close();
   login_window_ = NULL;
   login_view_ = NULL;
 }
 
 void LoginDisplayHostImpl::OnAuthPrewarmDone() {
   auth_prewarmer_.reset();
 }
 
 void LoginDisplayHostImpl::SetOobeProgressBarVisible(bool visible) {
@@ skipping 175 matching lines @@
 
   scoped_ptr<locale_util::SwitchLanguageCallback> callback(
       new locale_util::SwitchLanguageCallback(
           base::Bind(&OnLanguageSwitchedCallback, base::Passed(data.Pass()))));
 
   // Do not load locale keyboards here.
   locale_util::SwitchLanguage(locale, false, callback.Pass());
 }
 
 }  // namespace chromeos