wm: Update namespace and header define guards.

src/platform/window_manager/main.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 <cmath>
 #include <cstdlib>
 #include <ctime>
 
 extern "C" {
 #include <clutter/clutter.h>
@@ skipping 18 matching lines @@
 
 DEFINE_string(log_dir, ".",
               "Directory where logs should be written; created if it doesn't "
               "exist.");
 DEFINE_bool(logtostderr, false,
             "Should logs be written to stderr instead of to a file in "
             "--log_dir?");
 DEFINE_string(minidump_dir, ".",
               "Directory where crash minidumps should be written");
 
-using chromeos::ClutterInterface;
-using chromeos::MockClutterInterface;
-using chromeos::RealClutterInterface;
-using chromeos::RealXConnection;
-using chromeos::WindowManager;
+using window_manager::ClutterInterface;
+using window_manager::MockClutterInterface;
+using window_manager::RealClutterInterface;
+using window_manager::RealXConnection;
+using window_manager::WindowManager;
 
 // Get the current time in the local time zone as "YYYYMMDD-HHMMSS".
 std::string GetCurrentTimeAsString() {
   time_t now = time(NULL);
   CHECK(now >= 0);
   struct tm now_tm;
   CHECK(localtime_r(&now, &now_tm) == &now_tm);
   char now_str[16];
   CHECK(strftime(now_str, sizeof(now_str), "%Y%m%d-%H%M%S", &now_tm) == 15);
   return std::string(now_str);
@@ skipping 36 matching lines @@
     clutter.reset(new RealClutterInterface);
   } else {
     clutter.reset(new MockClutterInterface);
   }
   WindowManager wm(&xconn, clutter.get());
   wm.Init();
 
   clutter_main();
   return 0;
 }