CleanUp: Introduce UserInfo. Move session_state stuff to ash/session.

ash/system/user/tray_user.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 "ash/system/user/tray_user.h"
 
 #include "ash/ash_switches.h"
 #include "ash/root_window_controller.h"
-#include "ash/session_state_delegate.h"
+#include "ash/session/session_state_delegate.h"
+#include "ash/session/user_info.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell_delegate.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_item_view.h"
 #include "ash/system/tray/tray_utils.h"
 #include "ash/system/user/accounts_detailed_view.h"
 #include "ash/system/user/rounded_image_view.h"
 #include "ash/system/user/user_view.h"
@@ skipping 236 matching lines @@
 
 void TrayUser::UpdateAvatarImage(user::LoginStatus status) {
   SessionStateDelegate* session_state_delegate =
       Shell::GetInstance()->session_state_delegate();
   if (!avatar_ ||
       GetTrayIndex() >= session_state_delegate->NumberOfLoggedInUsers())
     return;
 
   content::BrowserContext* context = session_state_delegate->
       GetBrowserContextByIndex(GetTrayIndex());
-  avatar_->SetImage(session_state_delegate->GetUserImage(context),
+  avatar_->SetImage(session_state_delegate->GetUserInfo(context)->GetImage(),
                     gfx::Size(kTrayAvatarSize, kTrayAvatarSize));
 
   // Unit tests might come here with no images for some users.
   if (avatar_->size().IsEmpty())
     avatar_->SetSize(gfx::Size(kTrayAvatarSize, kTrayAvatarSize));
 }
 
 MultiProfileIndex TrayUser::GetTrayIndex() {
   Shell* shell = Shell::GetInstance();
   // If multi profile is not enabled we can use the normal index.
   if (!shell->delegate()->IsMultiProfilesEnabled())
     return multiprofile_index_;
   // In case of multi profile we need to mirror the indices since the system
   // tray items are in the reverse order then the menu items.
   return shell->session_state_delegate()->GetMaximumNumberOfLoggedInUsers() -
              1 - multiprofile_index_;
 }
 
 void TrayUser::UpdateLayoutOfItem() {
   RootWindowController* controller = GetRootWindowController(
       system_tray()->GetWidget()->GetNativeWindow()->GetRootWindow());
   if (controller && controller->shelf()) {
     UpdateAfterShelfAlignmentChange(
         controller->GetShelfLayoutManager()->GetAlignment());
   }
 }
 
 }  // namespace ash