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

Source/modules/geolocation/GeolocationController.cpp

 /*
  * Copyright (C) 2009 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 43 matching lines @@
 
 void GeolocationController::addObserver(Geolocation* observer, bool enableHighAccuracy)
 {
     // This may be called multiple times with the same observer, though removeObserver()
     // is called only once with each.
     bool wasEmpty = m_observers.isEmpty();
     m_observers.add(observer);
     if (enableHighAccuracy)
         m_highAccuracyObservers.add(observer);
 
-    if (m_client) {        
+    if (m_client) {
         if (enableHighAccuracy)
             m_client->setEnableHighAccuracy(true);
         if (wasEmpty)
             m_client->startUpdating();
     }
 }
 
 void GeolocationController::removeObserver(Geolocation* observer)
 {
     if (!m_observers.contains(observer))
@@ skipping 57 matching lines @@
 
 const char* GeolocationController::supplementName()
 {
     return "GeolocationController";
 }
 
 void provideGeolocationTo(Page* page, GeolocationClient* client)
 {
     Supplement<Page>::provideTo(page, GeolocationController::supplementName(), GeolocationController::create(page, client));
 }
-    
+
 } // namespace WebCore