wm: Update namespace and header define guards.

src/platform/window_manager/clutter_interface.cc

 // 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.
 
 #include "window_manager/clutter_interface.h"
 
 #include <cmath>
 
 #include "base/string_util.h"
 #include "chromeos/obsolete_logging.h"
 #include "window_manager/util.h"
 
-namespace chromeos {
+namespace window_manager {
 
 const int RealClutterInterface::TexturePixmapActor::kAlphaMaskLayerIndex = 1;
 
 
 RealClutterInterface::Actor::Actor(ClutterActor* clutter_actor)
     : clutter_actor_(clutter_actor) {
   CHECK(clutter_actor_);
   // Tell GLib to set 'clutter_actor_' to NULL when the ClutterActor object
   // is destroyed.
   g_object_add_weak_pointer(
@@ skipping 512 matching lines @@
   memcpy(alpha_mask_bytes_, bytes, size);
   return true;
 }
 
 void MockClutterInterface::TexturePixmapActor::ClearAlphaMask() {
   delete[] alpha_mask_bytes_;
   alpha_mask_bytes_ = NULL;
 }
 
 }