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

libcef_dll/ctocpp/keyboard_handler_ctocpp.cc

@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 //
@@ -18,8 +18,7 @@
 
 bool CefKeyboardHandlerCToCpp::OnKeyEvent(CefRefPtr<CefBrowser> browser,
     KeyEventType type, int code, int modifiers, bool isSystemKey,
-    bool isAfterJavaScript)
-{
+    bool isAfterJavaScript) {
   if (CEF_MEMBER_MISSING(struct_, on_key_event))
     return false;