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

Source/modules/webaudio/ScriptProcessorNode.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:
  * 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 46 matching lines @@
     // AudioNode
     virtual void process(size_t framesToProcess);
     virtual void reset();
     virtual void initialize();
     virtual void uninitialize();
 
     size_t bufferSize() const { return m_bufferSize; }
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(audioprocess);
 
-    
+
 private:
     virtual double tailTime() const OVERRIDE;
     virtual double latencyTime() const OVERRIDE;
 
     ScriptProcessorNode(AudioContext*, float sampleRate, size_t bufferSize, unsigned numberOfInputChannels, unsigned numberOfOutputChannels);
 
     static void fireProcessEventDispatch(void* userData);
     void fireProcessEvent();
 
     // Double buffering
@@ skipping 10 matching lines @@
 
     unsigned m_numberOfInputChannels;
     unsigned m_numberOfOutputChannels;
 
     RefPtr<AudioBus> m_internalInputBus;
 };
 
 } // namespace WebCore
 
 #endif // ScriptProcessorNode_h