| Index: Source/web/WebRuntimeFeatures.cpp
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| diff --git a/Source/web/WebRuntimeFeatures.cpp b/Source/web/WebRuntimeFeatures.cpp
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| index cd275020da18eb037f92319aa6b0441d160a4738..0f4a2153c506e5c9922fd89925474459606b4bc4 100644
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| --- a/Source/web/WebRuntimeFeatures.cpp
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| +++ b/Source/web/WebRuntimeFeatures.cpp
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| @@ -105,6 +105,11 @@ void WebRuntimeFeatures::enableExperimentalCanvasFeatures(bool enable)
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|      RuntimeEnabledFeatures::setExperimentalCanvasFeaturesEnabled(enable);
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|  }
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|  
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| +void WebRuntimeFeatures::enableFastMobileScrolling(bool enable)
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| +{
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| +    RuntimeEnabledFeatures::setFastMobileScrollingEnabled(enable);
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| +}
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| +
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|  void WebRuntimeFeatures::enableFastTextAutosizing(bool enable)
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|  {
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|      RuntimeEnabledFeatures::setFastTextAutosizingEnabled(enable);
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| 
 |