Move root_window.* to window_event_dispatcher.*

ash/magnifier/magnification_controller_unittest.cc

 // Copyright (c) 2013 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 "ash/magnifier/magnification_controller.h"
 
 #include "ash/magnifier/magnifier_constants.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/strings/stringprintf.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/env.h"
-#include "ui/aura/root_window.h"
 #include "ui/aura/test/event_generator.h"
+#include "ui/aura/window_event_dispatcher.h"
 #include "ui/gfx/rect_conversions.h"
 #include "ui/gfx/screen.h"
 
 namespace ash {
 namespace internal {
 namespace {
 
 const int kRootHeight = 600;
 const int kRootWidth = 800;
 
@@ skipping 409 matching lines @@
   scale *= kMagnificationScaleFactor;
   GetMagnificationController()->SetScale(scale, false);
   EXPECT_FLOAT_EQ(4.f, GetMagnificationController()->GetScale());
   generator.MoveMouseToInHost(gfx::Point(0, 300));
   EXPECT_EQ("139,298", env->last_mouse_location().ToString());
   EXPECT_EQ("100,300", GetHostMouseLocation());
 }
 
 }  // namespace internal
 }  // namespace ash