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

Source/web/WorkerAsyncFileWriterChromium.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 47 matching lines @@
     enum WriterType {
         Asynchronous,
         Synchronous,
     };
 
     static PassOwnPtr<WorkerAsyncFileWriterChromium> create(WebKit::WebFileSystem* webFileSystem, const WebKit::WebURL& path, WorkerGlobalScope* workerGlobalScope, AsyncFileWriterClient* client, WriterType type)
     {
         return adoptPtr(new WorkerAsyncFileWriterChromium(webFileSystem, path, workerGlobalScope, client, type));
     }
     ~WorkerAsyncFileWriterChromium();
-    
+
     bool waitForOperationToComplete();
 
     // FileWriter
     virtual void write(long long position, Blob* data);
     virtual void truncate(long long length);
     virtual void abort();
 
 private:
 
     WorkerAsyncFileWriterChromium(WebKit::WebFileSystem*, const WebKit::WebURL& path, WorkerGlobalScope*, AsyncFileWriterClient*, WriterType);
     RefPtr<WebKit::WorkerFileWriterCallbacksBridge> m_bridge;
 };
 
 } // namespace
 
 #endif // AsyncFileWriterChromium_h