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

Source/modules/geolocation/GeolocationError.h

 /*
  * 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 35 matching lines @@
     const String& message() const { return m_message; }
 
 private:
     GeolocationError(ErrorCode code, const String& message)
         : m_code(code)
         , m_message(message)
     {
     }
 
     ErrorCode m_code;
-    String m_message; 
+    String m_message;
 };
 
 } // namespace WebCore
 
 #endif // GeolocationError_h