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

Source/wtf/OwnPtr.h

 /*
  *  Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 173 matching lines @@
     }
 #endif
 
     template<typename T> inline void swap(OwnPtr<T>& a, OwnPtr<T>& b)
     {
         a.swap(b);
     }
 
     template<typename T, typename U> inline bool operator==(const OwnPtr<T>& a, U* b)
     {
-        return a.get() == b; 
+        return a.get() == b;
     }
 
-    template<typename T, typename U> inline bool operator==(T* a, const OwnPtr<U>& b) 
+    template<typename T, typename U> inline bool operator==(T* a, const OwnPtr<U>& b)
     {
-        return a == b.get(); 
+        return a == b.get();
     }
 
     template<typename T, typename U> inline bool operator!=(const OwnPtr<T>& a, U* b)
     {
-        return a.get() != b; 
+        return a.get() != b;
     }
 
     template<typename T, typename U> inline bool operator!=(T* a, const OwnPtr<U>& b)
     {
-        return a != b.get(); 
+        return a != b.get();
     }
 
     template<typename T> inline typename OwnPtr<T>::PtrType getPtr(const OwnPtr<T>& p)
     {
         return p.get();
     }
 
 } // namespace WTF
 
 using WTF::OwnPtr;
 
 #endif // WTF_OwnPtr_h