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

Source/web/WebInputEventConversion.cpp

 /*
  * Copyright (C) 2009 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 106 matching lines @@
 {
     float scale = widgetScaleFactor(widget);
     m_position = widget->convertFromContainingWindow(IntPoint(e.x / scale, e.y / scale));
     m_globalPosition = IntPoint(e.globalX, e.globalY);
     m_deltaX = e.deltaX;
     m_deltaY = e.deltaY;
     m_wheelTicksX = e.wheelTicksX;
     m_wheelTicksY = e.wheelTicksY;
     m_granularity = e.scrollByPage ?
         ScrollByPageWheelEvent : ScrollByPixelWheelEvent;
-    
+
     m_type = PlatformEvent::Wheel;
 
     m_modifiers = 0;
     if (e.modifiers & WebInputEvent::ShiftKey)
         m_modifiers |= PlatformEvent::ShiftKey;
     if (e.modifiers & WebInputEvent::ControlKey)
         m_modifiers |= PlatformEvent::CtrlKey;
     if (e.modifiers & WebInputEvent::AltKey)
         m_modifiers |= PlatformEvent::AltKey;
     if (e.modifiers & WebInputEvent::MetaKey)
@@ skipping 601 matching lines @@
     modifiers = getWebInputModifiers(event);
 
     globalX = event.screenX();
     globalY = event.screenY();
     IntPoint localPoint = convertAbsoluteLocationForRenderObject(event.absoluteLocation(), *renderObject);
     x = localPoint.x();
     y = localPoint.y();
 }
 
 } // namespace WebKit