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

public/web/WebFontDescription.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:
  *
  *     * 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 39 matching lines @@
         GenericFamilyFantasy
     };
 
     enum Smoothing {
         SmoothingAuto,
         SmoothingNone,
         SmoothingGrayscale,
         SmoothingSubpixel
     };
 
-    enum Weight { 
+    enum Weight {
         Weight100,
         Weight200,
         Weight300,
         Weight400,
         Weight500,
         Weight600,
         Weight700,
         Weight800,
         Weight900,
         WeightNormal = Weight400,
@@ skipping 26 matching lines @@
 #if WEBKIT_IMPLEMENTATION
     WebFontDescription(const WebCore::FontDescription&, short fontLetterSpacing, short fontWordSpacing);
 
     operator WebCore::FontDescription() const;
 #endif
 };
 
 } // namespace WebKit
 
 #endif