Rename RootWindowHost to WindowTreeHost

ui/aura/test/event_generator.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/aura/test/event_generator.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "ui/aura/client/screen_position_client.h"
@@ skipping 569 matching lines @@
       return;
     }
     if (pending_events_.empty()) {
       base::MessageLoopProxy::current()->PostTask(
           FROM_HERE,
           base::Bind(&EventGenerator::DispatchNextPendingEvent,
                      base::Unretained(this)));
     }
     pending_events_.push_back(pending_event);
   } else {
-    RootWindowHostDelegate* root_window_host_delegate =
-        current_root_window_->AsRootWindowHostDelegate();
+    WindowTreeHostDelegate* root_window_host_delegate =
+        current_root_window_->AsWindowTreeHostDelegate();
     if (event->IsKeyEvent()) {
       root_window_host_delegate->OnHostKeyEvent(
           static_cast<ui::KeyEvent*>(event));
     } else if (event->IsMouseEvent()) {
       root_window_host_delegate->OnHostMouseEvent(
           static_cast<ui::MouseEvent*>(event));
     } else if (event->IsTouchEvent()) {
       root_window_host_delegate->OnHostTouchEvent(
           static_cast<ui::TouchEvent*>(event));
     } else if (event->IsScrollEvent()) {
@@ skipping 15 matching lines @@
     base::MessageLoopProxy::current()->PostTask(
         FROM_HERE,
         base::Bind(&EventGenerator::DispatchNextPendingEvent,
                    base::Unretained(this)));
   }
 }
 
 
 }  // namespace test
 }  // namespace aura