wm: Update namespace and header define guards.

src/platform/window_manager/panel_bar.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/panel_bar.h"
 
 #include <algorithm>
 
 #include <gflags/gflags.h>
 
 #include "base/logging.h"
 #include "window_manager/clutter_interface.h"
 #include "window_manager/panel.h"
 #include "window_manager/shadow.h"
 #include "window_manager/stacking_manager.h"
 #include "window_manager/window.h"
 #include "window_manager/window_manager.h"
 #include "window_manager/x_connection.h"
 
 DEFINE_string(panel_bar_image, "../assets/images/panel_bar_bg.png",
               "Image to use for the panel bar's background");
 DEFINE_string(panel_anchor_image, "../assets/images/panel_anchor.png",
               "Image to use for anchors on the panel bar");
 
-namespace chromeos {
+namespace window_manager {
+
+using chromeos::NewPermanentCallback;
 
 // Amount of padding to place between titlebars in the panel bar.
 static const int kBarPadding = 1;
 
 // Amount of time to take for animations.
 static const int kAnimMs = 150;
 
 // Frequency with which we should update the position of dragged panels.
 static const int kDraggedPanelUpdateMs = 25;
 
@@ skipping 893 matching lines @@
     bar_shadow_->SetOpacity(1, kAnimMs);
   } else {
     bar_actor_->MoveY(y_ + height_, kAnimMs);
     bar_shadow_->MoveY(y_ + height_, kAnimMs);
     bar_shadow_->SetOpacity(0, kAnimMs);
   }
   is_visible_ = visible;
   wm_->HandlePanelBarVisibilityChange(visible);
 }
 
-}  // namespace chromeos
+}  // namespace window_manager