Move wm/core to wm namespace.

ui/wm/core/focus_rules.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_WM_CORE_FOCUS_RULES_H_
 #define UI_WM_CORE_FOCUS_RULES_H_
 
 #include "ui/wm/core/wm_core_export.h"
 
 namespace aura {
 class Window;
 }
 
-namespace views {
-namespace corewm {
+namespace wm {
 
 // Implemented by an object that establishes the rules about what can be
 // focused or activated.
 class WM_CORE_EXPORT FocusRules {
  public:
   virtual ~FocusRules() {}
 
   // Returns true if |window| is a toplevel window. Whether or not a window
   // is considered toplevel is determined by a similar set of rules that
   // govern activation and focus. Not all toplevel windows are activatable,
@@ skipping 29 matching lines @@
   // but not limited to:
   // - it or its parent hierarchy is being hidden, or removed from the
   //   RootWindow.
   // - it is being destroyed.
   // - it is being explicitly deactivated.
   // |ignore| cannot be NULL.
   virtual aura::Window* GetNextActivatableWindow(
       aura::Window* ignore) const = 0;
 };
 
-}  // namespace corewm
-}  // namespace views
+}  // namespace wm
 
 #endif  // UI_WM_CORE_FOCUS_RULES_H_