Rename RootWindowHost* to WindowTreeHost*

chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc

 // Copyright 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/metro_viewer/chrome_metro_viewer_process_host_aurawin.h"
 
 #include "ash/display/display_info.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/wm/window_positioner.h"
@@ skipping 63 matching lines @@
 
 void ChromeMetroViewerProcessHost::OnChannelError() {
   // TODO(cpu): At some point we only close the browser. Right now this
   // is very convenient for developing.
   DVLOG(1) << "viewer channel error : Quitting browser";
 
   // Unset environment variable to let breakpad know that metro process wasn't
   // connected.
   ::SetEnvironmentVariableA(env_vars::kMetroConnected, NULL);
 
-  aura::RemoteRootWindowHostWin::Instance()->Disconnected();
+  aura::RemoteWindowTreeHostWin::Instance()->Disconnected();
   g_browser_process->ReleaseModule();
 
   // If browser is trying to quit, we shouldn't reenter the process.
   // TODO(shrikant): In general there seem to be issues with how AttemptExit
   // reentry works. In future release please clean up related code.
   if (!browser_shutdown::IsTryingToQuit()) {
     CloseOpenAshBrowsers();
     chrome::CloseAsh();
   }
   // Tell the rest of Chrome about it.
@@ skipping 16 matching lines @@
   if (!content::GpuDataManager::GetInstance()->GpuAccessAllowed(NULL)) {
     DVLOG(1) << "No GPU access, attempting to restart in Desktop\n";
     chrome::AttemptRestartToDesktopMode();
   }
 }
 
 void ChromeMetroViewerProcessHost::OnSetTargetSurface(
     gfx::NativeViewId target_surface) {
   HWND hwnd = reinterpret_cast<HWND>(target_surface);
   // Tell our root window host that the viewer has connected.
-  aura::RemoteRootWindowHostWin::Instance()->Connected(this, hwnd);
+  aura::RemoteWindowTreeHostWin::Instance()->Connected(this, hwnd);
   // Now start the Ash shell environment.
   chrome::OpenAsh();
   ash::Shell::GetInstance()->CreateShelf();
   ash::Shell::GetInstance()->ShowShelf();
   // On Windows 8 ASH we default to SHOW_STATE_MAXIMIZED for the browser
   // window. This is to ensure that we honor metro app conventions by default.
   ash::WindowPositioner::SetMaximizeFirstWindow(true);
   // Tell the rest of Chrome that Ash is running.
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_ASH_SESSION_STARTED,
@@ skipping 13 matching lines @@
     OpenURL(url);
 }
 
 void ChromeMetroViewerProcessHost::OnWindowSizeChanged(uint32 width,
                                                        uint32 height) {
   std::vector<ash::internal::DisplayInfo> info_list;
   info_list.push_back(ash::internal::DisplayInfo::CreateFromSpec(
       base::StringPrintf("%dx%d", width, height)));
   ash::Shell::GetInstance()->display_manager()->OnNativeDisplaysChanged(
       info_list);
-  aura::RemoteRootWindowHostWin::Instance()->HandleWindowSizeChanged(width,
+  aura::RemoteWindowTreeHostWin::Instance()->HandleWindowSizeChanged(width,
                                                                      height);
 }