| Index: Source/core/html/shadow/SliderThumbElement.h | 
| diff --git a/Source/core/html/shadow/SliderThumbElement.h b/Source/core/html/shadow/SliderThumbElement.h | 
| index 0aecf9b5bb968fec4a73e38223e1f6e07d2e2b33..053bb81daf639fd7d0a550f96e07010b638e96cf 100644 | 
| --- a/Source/core/html/shadow/SliderThumbElement.h | 
| +++ b/Source/core/html/shadow/SliderThumbElement.h | 
| @@ -93,6 +93,7 @@ public: | 
|  | 
| private: | 
| virtual bool isSliderThumb() const; | 
| +    virtual bool supportsPartialLayout() const OVERRIDE { return false; } | 
| }; | 
|  | 
| // -------------------------------- | 
|  |