chromeos: Switch --first-boot to --first-exec-after-boot.

chrome/browser/chromeos/background/ash_user_wallpaper_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/chromeos/background/ash_user_wallpaper_delegate.h"
 
 #include "ash/shell.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
 #include "ash/wm/window_animations.h"
 #include "base/command_line.h"
@@ skipping 10 matching lines @@
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/login/login_state.h"
 #include "content/public/browser/notification_service.h"
 
 namespace chromeos {
 
 namespace {
 
 bool IsNormalWallpaperChange() {
   if (chromeos::LoginState::Get()->IsUserLoggedIn() ||
-      !CommandLine::ForCurrentProcess()->HasSwitch(switches::kFirstBoot) ||
+      !CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kFirstExecAfterBoot) ||
       WizardController::IsZeroDelayEnabled() ||
       !CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginManager)) {
     return true;
   }
 
   return false;
 }
 
 class UserWallpaperDelegate : public ash::UserWallpaperDelegate {
  public:
@@ skipping 63 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(UserWallpaperDelegate);
 };
 
 }  // namespace
 
 ash::UserWallpaperDelegate* CreateUserWallpaperDelegate() {
   return new chromeos::UserWallpaperDelegate();
 }
 
 }  // namespace chromeos