Make CEF compliant with Google/Chromium style (issue #473).

- Add a new check_style tool based on Google's cpplint that can be used to verify compliance of pending changes and specific files/directories.
- Update existing CEF source code to be compliant with the style requirements.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@463 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tests/cefclient/scheme_test.h

@@ -2,8 +2,9 @@
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 
-#ifndef _CEFCLIENT_SCHEME_TEST
-#define _CEFCLIENT_SCHEME_TEST
+#ifndef CEF_TESTS_CEFCLIENT_SCHEME_TEST_H_
+#define CEF_TESTS_CEFCLIENT_SCHEME_TEST_H_
+#pragma once
 
 #include "include/cef_base.h"
 
@@ -15,4 +16,4 @@ void InitSchemeTest();
 // Run the test.
 void RunSchemeTest(CefRefPtr<CefBrowser> browser);
 
-#endif // _CEFCLIENT_SCHEME_TEST
+#endif  // CEF_TESTS_CEFCLIENT_SCHEME_TEST_H_