Eliminate ash::internal namespace

ash/wm/window_modality_controller_unittest.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/wm/core/window_modality_controller.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/views/test/capture_tracking_view.h"
 #include "ui/views/test/child_modal_window.h"
 #include "ui/views/widget/widget.h"
 #include "ui/wm/core/window_util.h"
 
 namespace ash {
-namespace internal {
 
 typedef test::AshTestBase WindowModalityControllerTest;
 
 namespace {
 
 bool ValidateStacking(aura::Window* parent, int ids[], int count) {
   for (int i = 0; i < count; ++i) {
     if (parent->children().at(i)->id() != ids[i])
       return false;
   }
@@ skipping 519 matching lines @@
   wm::ActivateWindow(w2.get());
   EXPECT_TRUE(wm::IsActiveWindow(w4.get()));
 
   wm::ActivateWindow(w3.get());
   EXPECT_TRUE(wm::IsActiveWindow(w4.get()));
 
   wm::ActivateWindow(w4.get());
   EXPECT_TRUE(wm::IsActiveWindow(w4.get()));
 }
 
-}  // namespace internal
 }  // namespace ash