Use bit-fields for space saving in PointerEventsHitRules

Source/core/rendering/PointerEventsHitRules.h

 /*
     Copyright (C) 2007 Rob Buis <buis@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 17 matching lines @@
 class PointerEventsHitRules {
 public:
     enum EHitTesting {
         SVG_IMAGE_HITTESTING,
         SVG_GEOMETRY_HITTESTING,
         SVG_TEXT_HITTESTING
     };
 
     PointerEventsHitRules(EHitTesting, const HitTestRequest&, EPointerEvents);
 
-    bool requireVisible;
-    bool requireFill;
-    bool requireStroke;
-    bool canHitStroke;
-    bool canHitFill;
-    bool canHitBoundingBox;
+    unsigned requireVisible : 1;
+    unsigned requireFill : 1;
+    unsigned requireStroke : 1;
+    unsigned canHitStroke : 1;
+    unsigned canHitFill : 1;
+    unsigned canHitBoundingBox : 1;
 };
 
 }
 
 #endif
-
-// vim:ts=4:noet