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

Source/web/WebDOMActivityLogger.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 30 matching lines @@
 namespace WebKit {
 
 class DOMActivityLoggerContainer : public V8DOMActivityLogger {
 public:
     explicit DOMActivityLoggerContainer(PassOwnPtr<WebDOMActivityLogger> logger)
         : m_domActivityLogger(logger)
     {
     }
 
     virtual void log(const String& apiName, int argc, const v8::Handle<v8::Value>* argv, const String& extraInfo)
-    {   
-        m_domActivityLogger->log(WebString(apiName), argc, argv, WebString(extraInfo)); 
+    {
+        m_domActivityLogger->log(WebString(apiName), argc, argv, WebString(extraInfo));
     }
 
 private:
     OwnPtr<WebDOMActivityLogger> m_domActivityLogger;
 };
 
 bool hasDOMActivityLogger(int worldId)
 {
     return DOMWrapperWorld::activityLogger(worldId);
 }
 
 void setDOMActivityLogger(int worldId, WebDOMActivityLogger* logger)
 {
     ASSERT(logger);
     DOMWrapperWorld::setActivityLogger(worldId, adoptPtr(new DOMActivityLoggerContainer(adoptPtr(logger))));
 }
 
 } // namespace WebKit