wm: Update namespace and header define guards.

src/platform/window_manager/mock_x_connection.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_MOCK_X_CONNECTION_H__
-#define __PLATFORM_WINDOW_MANAGER_MOCK_X_CONNECTION_H__
+#ifndef WINDOW_MANAGER_MOCK_X_CONNECTION_H_
+#define WINDOW_MANAGER_MOCK_X_CONNECTION_H_
 
 #include <tr1/memory>
 #include <string>
 
 #include "base/logging.h"
 
 #include "window_manager/x_connection.h"
 
-namespace chromeos {
+namespace window_manager {
 
 // This is a fake implementation of a connection to an X server.
 class MockXConnection : public XConnection {
  public:
   MockXConnection();
   ~MockXConnection();
 
   bool GetWindowGeometry(XWindow xid, int* x, int* y, int* width, int* height);
   bool MapWindow(XWindow xid);
   bool UnmapWindow(XWindow xid);
@@ skipping 166 matching lines @@
   std::map<XAtom, std::string> atom_to_name_;
   std::map<XAtom, XWindow> selection_owners_;
   XWindow focused_xid_;
 
   // Window that has currently grabbed the pointer, or None.
   XWindow pointer_grab_xid_;
 
   DISALLOW_COPY_AND_ASSIGN(MockXConnection);
 };
 
-}  // namespace chromeos
+}  // namespace window_manager
 
 #endif