Rename RootWindowHost to WindowTreeHost

ui/aura/test/event_generator.h

 // 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.
 
 #ifndef UI_AURA_TEST_EVENT_GENERATOR_H_
 #define UI_AURA_TEST_EVENT_GENERATOR_H_
 
 #include <list>
 #include <vector>
 
@@ skipping 58 matching lines @@
 // cases:
 //
 // 1) If your test depends on native events (ui::Event::native_event()).
 //   This return is empty/NULL event with EventGenerator.
 // 2) If your test involves nested message loop, such as
 //    menu or drag & drop. Because this class directly
 //    post an event to RootWindow, this event will not be
 //    handled in the nested message loop.
 // 3) Similarly, |base::MessagePumpObserver| will not be invoked.
 // 4) Any other code that requires native events, such as
-//    tests for RootWindowHostWin/RootWindowHostX11.
+//    tests for WindowTreeHostWin/WindowTreeHostX11.
 //
 // If one of these applies to your test, please use |ui_controls|
 // package instead.
 //
 // Note: The coordinates of the points in API is determined by the
 // EventGeneratorDelegate.
 class EventGenerator {
  public:
   // Creates an EventGenerator with the mouse/touch location (0,0),
   // which uses the |root_window|'s coordinates.
@@ skipping 253 matching lines @@
   // Set to true to cause events to be posted asynchronously.
   bool async_;
 
   DISALLOW_COPY_AND_ASSIGN(EventGenerator);
 };
 
 }  // namespace test
 }  // namespace aura
 
 #endif  // UI_AURA_TEST_EVENT_GENERATOR_H_