Remove some pass-thrus on RootWindow API in favor of exposing the RootWindowHost again.

chrome/browser/ui/ash/ash_init.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 "chrome/browser/ui/ash/ash_init.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/ash_switches.h"
 #include "ash/high_contrast/high_contrast_controller.h"
 #include "ash/magnifier/magnification_controller.h"
@@ skipping 65 matching lines @@
   ash::Shell::GetInstance()->magnification_controller()->
       SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_FULL);
   ash::Shell::GetInstance()->partial_magnification_controller()->
       SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_PARTIAL);
 
   if (!CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kDisableZeroBrowsersOpenForTests)) {
     chrome::StartKeepAlive();
   }
 #endif
-  ash::Shell::GetPrimaryRootWindow()->GetDispatcher()->ShowRootWindow();
+  ash::Shell::GetPrimaryRootWindow()->GetDispatcher()->host()->Show();
 }
 
 void CloseAsh() {
   // If shutdown is initiated by |BrowserX11IOErrorHandler|, don't
   // try to cleanup resources.
   if (!browser_shutdown::ShuttingDownWithoutClosingBrowsers() &&
       ash::Shell::HasInstance()) {
     ash::Shell::DeleteInstance();
   }
 }
 
 }  // namespace chrome