| Index: third_party/WebKit/Source/core/html/HTMLInputElement.h | 
| diff --git a/third_party/WebKit/Source/core/html/HTMLInputElement.h b/third_party/WebKit/Source/core/html/HTMLInputElement.h | 
| index b0560ed4fb65c069646751b8bda6090eb5621d40..7d2827cbe066b5c92dcb448e0503141726a01c43 100644 | 
| --- a/third_party/WebKit/Source/core/html/HTMLInputElement.h | 
| +++ b/third_party/WebKit/Source/core/html/HTMLInputElement.h | 
| @@ -267,6 +267,8 @@ public: | 
| bool isPlaceholderVisible() const override { return m_isPlaceholderVisible; } | 
| void setPlaceholderVisibility(bool) override; | 
|  | 
| +    unsigned sizeOfRadioGroup() const; | 
| + | 
| protected: | 
| HTMLInputElement(Document&, HTMLFormElement*, bool createdByParser); | 
|  | 
|  |