| Index: Source/core/html/forms/InputType.h
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| diff --git a/Source/core/html/forms/InputType.h b/Source/core/html/forms/InputType.h
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| index 94ddda88791670b97f5b69af1b66fd538a07cb24..ad43aefb353d27517550308796f4a0121744429c 100644
 | 
| --- a/Source/core/html/forms/InputType.h
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| +++ b/Source/core/html/forms/InputType.h
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| @@ -237,6 +237,9 @@ protected:
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|      Decimal parseToNumberOrNaN(const String&) const;
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|      void countUsageIfVisible(UseCounter::Feature) const;
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|  
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| +    // Derive the step base, following the HTML algorithm steps.
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| +    Decimal findStepBase(const Decimal&) const;
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| +
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|  private:
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|      // Helper for stepUp()/stepDown(). Adds step value * count to the current value.
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|      void applyStep(int count, AnyStepHandling, TextFieldEventBehavior, ExceptionState&);
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| 
 |