Add a full screen virtual keyboard to virtual keyboard root window

chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc

 // Copyright 2013 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/ash/chrome_shell_delegate.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/wm/mru_window_tracker.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
@@ skipping 193 matching lines @@
   extensions::MediaPlayerAPI::Get(
       ProfileManager::GetDefaultProfileOrOffTheRecord())->
           media_player_event_router()->NotifyPrevTrack();
 }
 
 void ChromeShellDelegate::Observe(int type,
                                   const content::NotificationSource& source,
                                   const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED:
       ash::Shell::GetInstance()->CreateLauncher();

[oshima, 2013/11/01 00:09:02]

will it make sense to move CreateLauncher to OnLoginUserProfilePrepared?

[bshe, 2013/11/12 15:28:33]

Done.

+      ash::Shell::GetInstance()->OnLoginUserProfilePrepared();
       break;
     case chrome::NOTIFICATION_SESSION_STARTED:
       RestoreFocus();
       ash::Shell::GetInstance()->ShowLauncher();
       break;
     default:
       NOTREACHED() << "Unexpected notification " << type;
   }
 }
 
 void ChromeShellDelegate::PlatformInit() {
   registrar_.Add(this,
                  chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_SESSION_STARTED,
                  content::NotificationService::AllSources());
 }