This CL replaces e-mail with AccountId in wallpaper manager code.

chrome/browser/ui/webui/chromeos/login/supervised_user_creation_screen_handler.cc

 // Copyright 2014 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/webui/chromeos/login/supervised_user_creation_screen_handler.h"
 
 #include "ash/audio/sounds.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/screens/user_selection_screen.h"
@@ skipping 284 matching lines @@
 
 void SupervisedUserCreationScreenHandler::
     HandleHideLocalSupervisedUserCreation() {
   delegate_->HideFlow();
 }
 
 void SupervisedUserCreationScreenHandler::HandleManagerSelected(
     const AccountId& manager_id) {
   if (!delegate_)
     return;
-  WallpaperManager::Get()->SetUserWallpaperNow(manager_id.GetUserEmail());
+  WallpaperManager::Get()->SetUserWallpaperNow(manager_id);
 }
 
 void SupervisedUserCreationScreenHandler::HandleImportUserSelected(
     const AccountId& account_id) {
   if (!delegate_)
     return;
 }
 
 void SupervisedUserCreationScreenHandler::HandleCheckSupervisedUserName(
     const base::string16& name) {
@@ skipping 147 matching lines @@
 void SupervisedUserCreationScreenHandler::SetCameraPresent(bool present) {
   CallJS("setCameraPresent", present);
 }
 
 void SupervisedUserCreationScreenHandler::ShowExistingSupervisedUsers(
     const base::ListValue* users) {
   CallJS("setExistingSupervisedUsers", *users);
 }
 
 }  // namespace chromeos