Eliminate ash::internal namespace

ash/wm/workspace/multi_window_resize_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 "ash/wm/workspace/multi_window_resize_controller.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/shell_test_api.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace_controller.h"
 #include "ash/wm/workspace_controller_test_helper.h"
 #include "ash/wm/workspace/workspace_event_handler_test_helper.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
 #include "ui/base/hit_test.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
-namespace internal {
 
 class MultiWindowResizeControllerTest : public test::AshTestBase {
  public:
   MultiWindowResizeControllerTest() : resize_controller_(NULL) {}
   virtual ~MultiWindowResizeControllerTest() {}
 
   virtual void SetUp() OVERRIDE {
     test::AshTestBase::SetUp();
     WorkspaceController* wc =
         test::ShellTestApi(Shell::GetInstance()).workspace_controller();
@@ skipping 214 matching lines @@
   generator.MoveMouseTo(bounds.x() + 11, bounds.y() + 10);
 
   EXPECT_TRUE(HasTarget(w3.get()));
 
   // Release the mouse. The resizer should still be visible and a subsequent
   // press should not trigger a DCHECK.
   generator.ReleaseLeftButton();
   EXPECT_TRUE(IsShowing());
   generator.PressLeftButton();
 }
-}  // namespace internal
+
 }  // namespace ash