| Index: third_party/WebKit/Source/core/layout/BUILD.gn
 | 
| diff --git a/third_party/WebKit/Source/core/layout/BUILD.gn b/third_party/WebKit/Source/core/layout/BUILD.gn
 | 
| index 21e945f5ce6ae5f848134298757e2f685edd78f8..f8c6a02939ec6a3ad0d8cbea72078beb555327e8 100644
 | 
| --- a/third_party/WebKit/Source/core/layout/BUILD.gn
 | 
| +++ b/third_party/WebKit/Source/core/layout/BUILD.gn
 | 
| @@ -249,6 +249,7 @@ blink_core_sources("layout") {
 | 
|      "api/LayoutMenuListItem.h",
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|      "api/LayoutPartItem.h",
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|      "api/LayoutProgressItem.h",
 | 
| +    "api/LayoutSliderItem.cpp",
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|      "api/LayoutSliderItem.h",
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|      "api/LayoutTextControlItem.h",
 | 
|      "api/LayoutTextFragmentItem.h",
 | 
| 
 |