ash: Display system background while loading wallpaper.

chrome/browser/ui/ash/chrome_shell_delegate.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/ash/chrome_shell_delegate.h"
 
 #include "ash/launcher/launcher_types.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
@@ skipping 101 matching lines @@
 
   // Returns true if we're logged in and browser has been started
 bool ChromeShellDelegate::IsSessionStarted() {
 #if defined(OS_CHROMEOS)
   return chromeos::UserManager::Get()->IsSessionStarted();
 #else
   return true;
 #endif
 }
 
+bool ChromeShellDelegate::IsFirstRunAfterBoot() {
+#if defined(OS_CHROMEOS)
+  return CommandLine::ForCurrentProcess()->HasSwitch(switches::kFirstBoot);
+#else
+  return false;
+#endif
+}
+
 void ChromeShellDelegate::LockScreen() {
 #if defined(OS_CHROMEOS)
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kGuestSession) &&
       !chromeos::KioskModeSettings::Get()->IsKioskModeEnabled()) {
     chromeos::DBusThreadManager::Get()->GetSessionManagerClient()->
         RequestLockScreen();
   }
 #endif
 }
 
@@ skipping 307 matching lines @@
       ash::Shell::GetInstance()->ShowLauncher();
       break;
     default:
       NOTREACHED() << "Unexpected notification " << type;
   }
 #else
   // MSVC++ warns about switch statements without any cases.
   NOTREACHED() << "Unexpected notification " << type;
 #endif
 }