Revert 177209 - Enable the FocusController on DesktopAura too.

ui/views/widget/desktop_aura/desktop_focus_rules.h

Index: ui/views/widget/desktop_aura/desktop_focus_rules.h
===================================================================
--- ui/views/widget/desktop_aura/desktop_focus_rules.h	(revision 177225)
+++ ui/views/widget/desktop_aura/desktop_focus_rules.h	(working copy)
@@ -1,26 +0,0 @@
-// 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_VIEWS_WIDGET_DESKTOP_FOCUS_RULES_H_
-#define UI_VIEWS_WIDGET_DESKTOP_FOCUS_RULES_H_
-
-#include "ui/views/corewm/base_focus_rules.h"
-
-namespace views {
-
-class DesktopFocusRules : public corewm::BaseFocusRules {
- public:
-  DesktopFocusRules();
-  virtual ~DesktopFocusRules();
-
- private:
-  // Overridden from corewm::BaseFocusRules:
-  virtual bool SupportsChildActivation(aura::Window* window) const OVERRIDE;
-
-  DISALLOW_COPY_AND_ASSIGN(DesktopFocusRules);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_WIDGET_DESKTOP_FOCUS_RULES_H_