wm: Update namespace and header define guards.

src/platform/window_manager/test_lib.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 WINDOW_MANAGER_TEST_LIB_H_
+#define WINDOW_MANAGER_TEST_LIB_H_
+
 #include <gtest/gtest.h>
 
 extern "C" {
 #include <X11/Xlib.h>
 }
 
 #include "base/scoped_ptr.h"
 #include "base/logging.h"
 
 typedef ::Atom XAtom;
 typedef ::Window XWindow;
 
-namespace chromeos {
+namespace window_manager {
 
 class MockXConnection;
 class MockClutterInterface;
 class WindowManager;
 
 // Test that two bytes sequences are equal, pretty-printing the difference
 // otherwise.  Invoke as:
 //
 //   EXPECT_PRED_FORMAT3(BytesAreEqual, expected, actual, length);
 //
@@ skipping 48 matching lines @@
   // Fetch an int array property on a window and check that it contains the
   // expected values.  'num_values' is the number of expected values passed
   // as varargs.
   void TestIntArrayProperty(XWindow xid, XAtom atom, int num_values, ...);
 
   scoped_ptr<MockXConnection> xconn_;
   scoped_ptr<MockClutterInterface> clutter_;
   scoped_ptr<WindowManager> wm_;
 };
 
-}  // namespace chromeos
+}  // namespace window_manager
+
+#endif