Rename Desktop->RootWindow.

chrome/browser/notifications/desktop_notifications_unittest.cc

Index: chrome/browser/notifications/desktop_notifications_unittest.cc
===================================================================
--- chrome/browser/notifications/desktop_notifications_unittest.cc	(revision 113260)
+++ chrome/browser/notifications/desktop_notifications_unittest.cc	(working copy)
@@ -12,7 +12,7 @@
 #include "content/public/common/show_desktop_notification_params.h"
 
 #if defined(USE_AURA)
-#include "ui/aura/desktop.h"
+#include "ui/aura/root_window.h"
 #endif
 
 using content::BrowserThread;
@@ -91,7 +91,7 @@
 #if defined(USE_AURA)
   // MockBalloonCollection retrieves information about the screen on creation.
   // So it is necessary to make sure the desktop gets created first.
-  aura::Desktop::GetInstance();
+  aura::RootWindow::GetInstance();
 #endif
 
   browser::RegisterLocalState(&local_state_);