Fix trailing whitespace in .cpp, .h, and .idl files (ex. Source/core)

Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 984 matching lines @@
 {
     return adoptPtr(new NavigatorContentUtilsClientImpl(webView));
 }
 
 NavigatorContentUtilsClientImpl::NavigatorContentUtilsClientImpl(WebViewImpl* webView)
     : m_webView(webView)
 {
 }
 
 void NavigatorContentUtilsClientImpl::registerProtocolHandler(const String& scheme, const String& baseURL, const String& url, const String& title)
-{ 
+{
     m_webView->client()->registerProtocolHandler(scheme, baseURL, url, title);
-} 
+}
 #endif
 
 } // namespace WebKit