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

public/platform/WebVector.h

 /*
  * Copyright (C) 2009 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 113 matching lines @@
     T& operator[](size_t i)
     {
         WEBKIT_ASSERT(i < m_size);
         return m_ptr[i];
     }
     const T& operator[](size_t i) const
     {
         WEBKIT_ASSERT(i < m_size);
         return m_ptr[i];
     }
-    
+
     bool contains(const T& value) const
     {
         for (size_t i = 0; i < m_size; i++) {
             if (m_ptr[i] == value)
                 return true;
         }
         return false;
     }
 
     T* data() { return m_ptr; }
@@ skipping 38 matching lines @@
         ::operator delete(m_ptr);
     }
 
     T* m_ptr;
     size_t m_size;
 };
 
 } // namespace WebKit
 
 #endif