Clear baseLayoutStyle when the font selector version has increased.

Source/core/animation/ElementAnimations.h

 /*
  * Copyright (C) 2013 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 52 matching lines @@
     // AnimationPlayers which have animations targeting this element.
     AnimationPlayerCountedSet& players() { return m_players; }
 
     bool isEmpty() const { return m_defaultStack.isEmpty() && m_cssAnimations.isEmpty() && m_players.isEmpty(); }
 
     void restartAnimationOnCompositor();
 
     void updateAnimationFlags(LayoutStyle&);
     void setAnimationStyleChange(bool animationStyleChange) { m_animationStyleChange = animationStyleChange; }
 
-    const LayoutStyle* baseLayoutStyle() const;
+    const LayoutStyle* validateBaseLayoutStyle();
     void updateBaseLayoutStyle(const LayoutStyle*);
     void clearBaseLayoutStyle();
 
 #if !ENABLE(OILPAN)
     void addAnimation(Animation* animation) { m_animations.append(animation); }
     void notifyAnimationDestroyed(Animation* animation) { m_animations.remove(m_animations.find(animation)); }
 #endif
 
     DECLARE_TRACE();
 
@@ skipping 13 matching lines @@
 #endif
 
     // CSSAnimations and DeferredLegacyStyleInterpolation checks if a style change is due to animation.
     friend class CSSAnimations;
     friend class DeferredLegacyStyleInterpolation;
 };
 
 } // namespace blink
 
 #endif // ElementAnimations_h