Purge AppListMenu, and the app list profile switcher

ui/app_list/app_list_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/app_list_view_delegate.h"
 
 namespace app_list {
 
-AppListViewDelegate::User::User() : active(false) {
-}
-
-AppListViewDelegate::User::User(const User& other) = default;
-
-AppListViewDelegate::User::~User() {}
-
 #if !defined(OS_CHROMEOS)
 base::string16 AppListViewDelegate::GetMessageTitle() const {
   return base::string16();
 }
 base::string16 AppListViewDelegate::GetMessageText(
     size_t* message_break) const {
   *message_break = 0;
   return base::string16();
 }
 base::string16 AppListViewDelegate::GetAppsShortcutName() const {
   return base::string16();
 }
 base::string16 AppListViewDelegate::GetLearnMoreText() const {
   return base::string16();
 }
 base::string16 AppListViewDelegate::GetLearnMoreLink() const {
   return base::string16();
 }
 gfx::ImageSkia* AppListViewDelegate::GetAppsIcon() const {
   return nullptr;
 }
 void AppListViewDelegate::OpenLearnMoreLink() {}
 #endif
 
 }  // namespace app_list