Asynchronously load wallpapers when user pod is selected.

chrome/browser/chromeos/login/existing_user_controller_browsertest.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 "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "chrome/browser/chromeos/cros/cros_in_process_browser_test.h"
 #include "chrome/browser/chromeos/cros/cros_mock.h"
@@ skipping 145 matching lines @@
         .WillRepeatedly(Return(false));
     EXPECT_CALL(*mock_user_manager_.user_manager(), IsLoggedInAsGuest())
         .Times(AnyNumber())
         .WillRepeatedly(Return(false));
     EXPECT_CALL(*mock_user_manager_.user_manager(), IsLoggedInAsDemoUser())
         .Times(AnyNumber())
         .WillRepeatedly(Return(false));
     EXPECT_CALL(*mock_user_manager_.user_manager(), IsSessionStarted())
         .Times(AnyNumber())
         .WillRepeatedly(Return(false));
-    EXPECT_CALL(*mock_user_manager_.user_manager(), GetUserWallpaperIndex())
-        .Times(AnyNumber())
-        .WillRepeatedly(Return(0));
 
     EXPECT_CALL(*mock_login_display_host_.get(), CreateLoginDisplay(_))
         .Times(1)
         .WillOnce(Return(mock_login_display_.get()));
     EXPECT_CALL(*mock_login_display_host_.get(), GetNativeWindow())
         .Times(1)
         .WillOnce(ReturnNull());
     EXPECT_CALL(*mock_login_display_.get(), Init(_, false, true, true))
         .Times(1);
   }
@@ skipping 122 matching lines @@
       .Times(1);
   EXPECT_CALL(*mock_login_display_.get(), OnFadeOut())
       .Times(1);
   EXPECT_CALL(*mock_login_display_host_.get(), OnCompleteLogin())
       .Times(1);
   existing_user_controller()->CompleteLogin(kNewUsername, kPassword);
   ui_test_utils::RunAllPendingInMessageLoop();
 }
 
 }  // namespace chromeos