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

Source/modules/webaudio/AudioParamTimeline.cpp

 /*
  * Copyright (C) 2011 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 63 matching lines @@
     bool isValid = event.type() < ParamEvent::LastType
         && isValidNumber(event.value())
         && isValidNumber(event.time())
         && isValidNumber(event.timeConstant())
         && isValidNumber(event.duration())
         && event.duration() >= 0;
 
     ASSERT(isValid);
     if (!isValid)
         return;
-        
+
     MutexLocker locker(m_eventsLock);
-    
+
     unsigned i = 0;
     double insertTime = event.time();
     for (i = 0; i < m_events.size(); ++i) {
         // Overwrite same event type and time.
         if (m_events[i].time() == insertTime && m_events[i].type() == event.type()) {
             m_events[i] = event;
             return;
         }
 
         if (m_events[i].time() > insertTime)
@@ skipping 267 matching lines @@
     // to the end of the values buffer.
     for (; writeIndex < numberOfValues; ++writeIndex)
         values[writeIndex] = value;
 
     return value;
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)