wm: Update namespace and header define guards.

src/platform/window_manager/layout_manager.h

 // Copyright (c) 2009 The Chromium OS 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 __PLATFORM_WINDOW_MANAGER_LAYOUT_MANAGER_H__
-#define __PLATFORM_WINDOW_MANAGER_LAYOUT_MANAGER_H__
+#ifndef WINDOW_MANAGER_LAYOUT_MANAGER_H_
+#define WINDOW_MANAGER_LAYOUT_MANAGER_H_
 
 extern "C" {
 #include <X11/Xlib.h>
 }
 #include <deque>
 #include <glib.h>  // for guint
 #include <map>
 #include <string>
 #include <tr1/memory>
 
 #include <gtest/gtest_prod.h>  // for FRIEND_TEST() macro
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "window_manager/event_consumer.h"
 #include "window_manager/key_bindings.h"
 #include "window_manager/wm_ipc.h"  // for WmIpc::Message
 
 typedef ::Window XWindow;
 
 namespace chrome_os_pb {
 class SystemMetrics;
 }
 
-namespace chromeos {
+namespace window_manager {
 
 class MotionEventCoalescer;
 class Window;
 class WindowManager;
 template<class T> class Stacker;  // from util.h
 
 // Manages the placement of regular client windows.
 //
 // It currently supports two modes: "active", where a single toplevel
 // window is displayed at full scale and given the input focus, and
@@ skipping 487 matching lines @@
   // already mapped or were in the process of being mapped when we were
   // started.
   // TODO: This is yet another hack that could probably removed in favor of
   // something more elegant if/when we're sharing an X connection with
   // Clutter and can safely grab the server at startup.
   bool saw_map_request_;
 
   DISALLOW_COPY_AND_ASSIGN(LayoutManager);
 };
 
-}  // namespace chromeos
+}  // namespace window_manager
 
 #endif