| Index: Source/core/core.gypi | 
| diff --git a/Source/core/core.gypi b/Source/core/core.gypi | 
| index f05128a279760bbedaea1ef15c584d467723e1b9..267ad8e5566aae0725dfba2a3dab905f5580b2af 100644 | 
| --- a/Source/core/core.gypi | 
| +++ b/Source/core/core.gypi | 
| @@ -2909,6 +2909,8 @@ | 
| 'platform/graphics/filters/LightSource.h', | 
| 'platform/graphics/filters/PointLightSource.cpp', | 
| 'platform/graphics/filters/PointLightSource.h', | 
| +            'platform/graphics/filters/ReferenceFilter.cpp', | 
| +            'platform/graphics/filters/ReferenceFilter.h', | 
| 'platform/graphics/filters/SkiaImageFilterBuilder.cpp', | 
| 'platform/graphics/filters/SkiaImageFilterBuilder.h', | 
| 'platform/graphics/filters/SourceAlpha.cpp', | 
| @@ -3167,6 +3169,8 @@ | 
| 'webcore_svg_files': [ | 
| 'rendering/style/SVGRenderStyle.cpp', | 
| 'rendering/style/SVGRenderStyleDefs.cpp', | 
| +            'rendering/svg/ReferenceFilterBuilder.cpp', | 
| +            'rendering/svg/ReferenceFilterBuilder.h', | 
| 'rendering/svg/RenderSVGBlock.cpp', | 
| 'rendering/svg/RenderSVGBlock.h', | 
| 'rendering/svg/RenderSVGContainer.cpp', | 
|  |