Create LineLayout api

Source/core/layout/LayoutBox.cpp

Index: Source/core/layout/LayoutBox.cpp
diff --git a/Source/core/layout/LayoutBox.cpp b/Source/core/layout/LayoutBox.cpp
index aaf15908b75400b2c123c6183c0c7757ec23d129..43796b26204243d7c9444d7a89fe266d545f2346 100644
--- a/Source/core/layout/LayoutBox.cpp
+++ b/Source/core/layout/LayoutBox.cpp
@@ -53,6 +53,7 @@
 #include "core/layout/LayoutTableCell.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/DeprecatedPaintLayerCompositor.h"
+#include "core/layout/shapes/ShapeOutsideInfo.h"
 #include "core/page/AutoscrollController.h"
 #include "core/page/Page.h"
 #include "core/paint/BackgroundImageGeometry.h"
@@ -4775,4 +4776,9 @@ bool LayoutBox::canRenderBorderImage() const
     return borderImage && borderImage->canRender(*this, style()->effectiveZoom()) && borderImage->isLoaded();
 }
 
+ShapeOutsideInfo* LayoutBox::shapeOutsideInfo() const
+{
+    return ShapeOutsideInfo::isEnabledFor(*this) ? ShapeOutsideInfo::info(*this) : nullptr;
+}
+
 } // namespace blink