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

ui/views/examples/content_client/examples_browser_main_parts.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 "ui/views/examples/content_client/examples_browser_main_parts.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 34 matching lines @@
 void ExamplesBrowserMainParts::PreMainMessageLoopRun() {
   browser_context_.reset(new content::ShellBrowserContext(false, NULL));
 
   gfx::NativeView window_context = NULL;
 #if defined(OS_CHROMEOS)
   gfx::Screen::SetScreenInstance(
       gfx::SCREEN_TYPE_NATIVE, aura::TestScreen::Create());
   // Set up basic pieces of views::corewm.
   minimal_shell_.reset(new shell::MinimalShell(gfx::Size(800, 600)));
   // Ensure the X window gets mapped.
-  minimal_shell_->root_window()->ShowRootWindow();
+  minimal_shell_->root_window()->host()->Show();
   // Ensure Aura knows where to open new windows.
   window_context = minimal_shell_->root_window()->window();
 #elif defined(USE_AURA)
   aura::Env::CreateInstance();
   gfx::Screen::SetScreenInstance(
       gfx::SCREEN_TYPE_NATIVE, CreateDesktopScreen());
 #endif
   views_delegate_.reset(new DesktopTestViewsDelegate);
 
   ShowExamplesWindowWithContent(
@@ skipping 18 matching lines @@
   base::RunLoop run_loop(&accelerator_handler);
 #else
   base::RunLoop run_loop;
 #endif
   run_loop.Run();
   return true;
 }
 
 }  // namespace examples
 }  // namespace views