mash: Migrate SessionStateDelegate access to WmShell.

chrome/browser/ui/ash/session_util.cc

 // Copyright (c) 2015 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/ash/session_util.h"
 
 #include "ash/common/session/session_state_delegate.h"
+#include "ash/common/wm_shell.h"
 #include "ash/content/shell_content_state.h"
-#include "ash/shell.h"
 #include "build/build_config.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/browser_context.h"
 #include "grit/ash_resources.h"
 #include "ui/aura/window.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia_operations.h"
 
 content::BrowserContext* GetActiveBrowserContext() {
   DCHECK(user_manager::UserManager::Get()->GetLoggedInUsers().size());
   return ProfileManager::GetActiveUserProfile();
 }
 
 bool CanShowWindowForUser(
     aura::Window* window,
     const GetActiveBrowserContextCallback& get_context_callback) {
   ash::SessionStateDelegate* delegate =
-      ash::Shell::GetInstance()->session_state_delegate();
+      ash::WmShell::Get()->GetSessionStateDelegate();
   if (delegate->NumberOfLoggedInUsers() > 1) {
     content::BrowserContext* active_browser_context =
         get_context_callback.Run();
     ash::ShellContentState* state = ash::ShellContentState::GetInstance();
     content::BrowserContext* owner_browser_context =
         state->GetBrowserContextForWindow(window);
     content::BrowserContext* shown_browser_context =
         state->GetUserPresentingBrowserContextForWindow(window);
 
     if (owner_browser_context && active_browser_context &&
@@ skipping 17 matching lines @@
       chromeos::ProfileHelper::Get()
           ->GetUserByProfile(Profile::FromBrowserContext(context))
           ->GetImage();
 
   gfx::ImageSkia resized = gfx::ImageSkiaOperations::CreateResizedImage(
       user_image, skia::ImageOperations::RESIZE_BEST, holder->size());
   gfx::ImageSkia masked =
       gfx::ImageSkiaOperations::CreateMaskedImage(resized, *holder_mask);
   return gfx::ImageSkiaOperations::CreateSuperimposedImage(*holder, masked);
 }