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

public/web/WebSecurityOrigin.h

 /*
  * Copyright (C) 2010 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 74 matching lines @@
 
     // Returns a string representation of the WebSecurityOrigin.  The empty
     // WebSecurityOrigin is represented by "null".  The representation of a
     // non-empty WebSecurityOrigin resembles a standard URL.
     WEBKIT_EXPORT WebString toString() const;
 
     // Returns a string representation of this WebSecurityOrigin that can
     // be used as a file.  Should be used in storage APIs only.
     WEBKIT_EXPORT WebString databaseIdentifier() const;
 
-    // Returns true if this WebSecurityOrigin can access usernames and 
+    // Returns true if this WebSecurityOrigin can access usernames and
     // passwords stored in password manager.
     WEBKIT_EXPORT bool canAccessPasswordManager() const;
 
     // Allows this WebSecurityOrigin access to local resources.
     WEBKIT_EXPORT void grantLoadLocalResources() const;
 
 #if WEBKIT_IMPLEMENTATION
     WebSecurityOrigin(const WTF::PassRefPtr<WebCore::SecurityOrigin>&);
     WebSecurityOrigin& operator=(const WTF::PassRefPtr<WebCore::SecurityOrigin>&);
     operator WTF::PassRefPtr<WebCore::SecurityOrigin>() const;
     WebCore::SecurityOrigin* get() const;
 #endif
 
 private:
     void assign(WebSecurityOriginPrivate*);
     WebSecurityOriginPrivate* m_private;
 };
 
 } // namespace WebKit
 
 #endif