Remove "if (WallpaperManager::Get())" from MultiUserWindowManagerChromeOS::TransitionWallpaper()

chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.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 "chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h"
 
 #include "apps/app_window.h"
 #include "apps/app_window_registry.h"
 #include "ash/ash_switches.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
@@ skipping 644 matching lines @@
 
     // We can reset the timer at this point.
     // Note: The timer can be destroyed while it is performing its task.
     user_changed_animation_timer_.reset();
   }
 }
 
 void MultiUserWindowManagerChromeOS::TransitionWallpaper(
     MultiUserWindowManagerChromeOS::AnimationStep animation_step) {
   // Handle the wallpaper switch.
-  if (chromeos::WallpaperManager::Get()) {
-    ash::UserWallpaperDelegate* wallpaper_delegate =
-        ash::Shell::GetInstance()->user_wallpaper_delegate();
-    if (animation_step == HIDE_OLD_USER) {
-      // Set the wallpaper cross dissolve animation duration to our complete
-      // animation cycle for a fade in and fade out.
-      wallpaper_delegate->SetAnimationDurationOverride(2 * kUserFadeTimeMS);
-      chromeos::WallpaperManager::Get()->SetUserWallpaperDelayed(
-          current_user_id_);
-    } else {
-      // Revert the wallpaper cross dissolve animation duration back to the
-      // default.
-      wallpaper_delegate->SetAnimationDurationOverride(0);
-    }
+  ash::UserWallpaperDelegate* wallpaper_delegate =
+      ash::Shell::GetInstance()->user_wallpaper_delegate();
+  if (animation_step == HIDE_OLD_USER) {
+    // Set the wallpaper cross dissolve animation duration to our complete
+    // animation cycle for a fade in and fade out.
+    wallpaper_delegate->SetAnimationDurationOverride(2 * kUserFadeTimeMS);
+    chromeos::WallpaperManager::Get()->SetUserWallpaperDelayed(
+        current_user_id_);
+  } else {
+    // Revert the wallpaper cross dissolve animation duration back to the
+    // default.
+    wallpaper_delegate->SetAnimationDurationOverride(0);
   }
 }
 
 void MultiUserWindowManagerChromeOS::TransitionUserShelf(
     MultiUserWindowManagerChromeOS::AnimationStep animation_step) {
   // The shelf animation duration override.
   int duration_override = kUserFadeTimeMS;
   // Handle the shelf order of items. This is done once the old user is hidden.
   if (animation_step == SHOW_NEW_USER) {
     // Some unit tests have no ChromeLauncherController.
@@ skipping 175 matching lines @@
     window->Show();
   else
     window->Hide();
 
   // Make sure that animations have no influence on the window state after the
   // call.
   DCHECK_EQ(visible, window->IsVisible());
 }
 
 }  // namespace chrome