Move signin status and current user information into AppListModel.

ui/app_list/test/app_list_test_view_delegate.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 "ui/app_list/test/app_list_test_view_delegate.h"
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "ui/gfx/image/image_skia.h"
 
@@ skipping 26 matching lines @@
 }
 
 void AppListTestViewDelegate::Dismiss() {
   ++dismiss_count_;
 }
 
 gfx::ImageSkia AppListTestViewDelegate::GetWindowIcon() {
   return gfx::ImageSkia();
 }
 
-base::string16 AppListTestViewDelegate::GetCurrentUserName() {
-  return base::string16();
-}
-
-base::string16 AppListTestViewDelegate::GetCurrentUserEmail() {
-  return base::string16();
-}
-
 }  // namespace test
 }  // namespace app_list