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

Source/modules/webaudio/AudioParam.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
@@ skipping 67 matching lines @@
     // Instead we smoothly approach this value to avoid glitching.
     float smoothedValue();
 
     // Smoothly exponentially approaches to (de-zippers) the desired value.
     // Returns true if smoothed value has already snapped exactly to value.
     bool smooth();
 
     void resetSmoothedValue() { m_smoothedValue = m_value; }
     void setSmoothingConstant(double k) { m_smoothingConstant = k; }
 
-    // Parameter automation.    
+    // Parameter automation.
     void setValueAtTime(float value, double time) { m_timeline.setValueAtTime(value, time); }
     void linearRampToValueAtTime(float value, double time) { m_timeline.linearRampToValueAtTime(value, time); }
     void exponentialRampToValueAtTime(float value, double time) { m_timeline.exponentialRampToValueAtTime(value, time); }
     void setTargetAtTime(float target, double time, double timeConstant) { m_timeline.setTargetAtTime(target, time, timeConstant); }
     void setValueCurveAtTime(Float32Array* curve, double time, double duration) { m_timeline.setValueCurveAtTime(curve, time, duration); }
     void cancelScheduledValues(double startTime) { m_timeline.cancelScheduledValues(startTime); }
 
     bool hasSampleAccurateValues() { return m_timeline.hasValues() || numberOfRenderingConnections(); }
-    
+
     // Calculates numberOfValues parameter values starting at the context's current time.
     // Must be called in the context's render thread.
     void calculateSampleAccurateValues(float* values, unsigned numberOfValues);
 
     // Connect an audio-rate signal to control this parameter.
     void connect(AudioNodeOutput*);
     void disconnect(AudioNodeOutput*);
 
 protected:
     AudioParam(AudioContext* context, const String& name, double defaultValue, double minValue, double maxValue, unsigned units = 0)
@@ skipping 18 matching lines @@
     String m_name;
     double m_value;
     double m_defaultValue;
     double m_minValue;
     double m_maxValue;
     unsigned m_units;
 
     // Smoothing (de-zippering)
     double m_smoothedValue;
     double m_smoothingConstant;
-    
+
     AudioParamTimeline m_timeline;
 };
 
 } // namespace WebCore
 
 #endif // AudioParam_h