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

Source/modules/webaudio/BiquadProcessor.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 34 matching lines @@
         LowShelf = 3,
         HighShelf = 4,
         Peaking = 5,
         Notch = 6,
         Allpass = 7
     };
 
     BiquadProcessor(AudioContext*, float sampleRate, size_t numberOfChannels, bool autoInitialize);
 
     virtual ~BiquadProcessor();
-    
+
     virtual PassOwnPtr<AudioDSPKernel> createKernel();
-        
+
     virtual void process(const AudioBus* source, AudioBus* destination, size_t framesToProcess);
 
     // Get the magnitude and phase response of the filter at the given
     // set of frequencies (in Hz). The phase response is in radians.
     void getFrequencyResponse(int nFrequencies,
                               const float* frequencyHz,
                               float* magResponse,
                               float* phaseResponse);
 
     void checkForDirtyCoefficients();
-    
+
     bool filterCoefficientsDirty() const { return m_filterCoefficientsDirty; }
     bool hasSampleAccurateValues() const { return m_hasSampleAccurateValues; }
 
     AudioParam* parameter1() { return m_parameter1.get(); }
     AudioParam* parameter2() { return m_parameter2.get(); }
     AudioParam* parameter3() { return m_parameter3.get(); }
     AudioParam* parameter4() { return m_parameter4.get(); }
 
     FilterType type() const { return m_type; }
     void setType(FilterType);
 
 private:
     FilterType m_type;
 
     RefPtr<AudioParam> m_parameter1;
     RefPtr<AudioParam> m_parameter2;
     RefPtr<AudioParam> m_parameter3;
     RefPtr<AudioParam> m_parameter4;
 
     // so DSP kernels know when to re-compute coefficients
     bool m_filterCoefficientsDirty;
 
     // Set to true if any of the filter parameters are sample-accurate.
     bool m_hasSampleAccurateValues;
 };
 
 } // namespace WebCore
 
 #endif // BiquadProcessor_h