Create LineLayout api

Source/core/layout/shapes/ShapeOutsideInfo.h

Index: Source/core/layout/shapes/ShapeOutsideInfo.h
diff --git a/Source/core/layout/shapes/ShapeOutsideInfo.h b/Source/core/layout/shapes/ShapeOutsideInfo.h
index 7d670cf5f14e16ca232c8a38b77bf05570b74fea..63c00de3fb266c1d05fb408f1048f4169ae72fcf 100644
--- a/Source/core/layout/shapes/ShapeOutsideInfo.h
+++ b/Source/core/layout/shapes/ShapeOutsideInfo.h
@@ -30,6 +30,7 @@
 #ifndef ShapeOutsideInfo_h
 #define ShapeOutsideInfo_h
 
+#include "core/layout/api/LineLayoutBlockFlow.h"
 #include "core/layout/shapes/Shape.h"
 #include "core/style/ComputedStyle.h"
 #include "core/style/ShapeValue.h"
@@ -95,7 +96,7 @@ public:
     static PassOwnPtr<ShapeOutsideInfo> createInfo(const LayoutBox& layoutBox) { return adoptPtr(new ShapeOutsideInfo(layoutBox)); }
     static bool isEnabledFor(const LayoutBox&);
 
-    ShapeOutsideDeltas computeDeltasForContainingBlockLine(const LayoutBlockFlow&, const FloatingObject&, LayoutUnit lineTop, LayoutUnit lineHeight);
+    ShapeOutsideDeltas computeDeltasForContainingBlockLine(LineLayoutBlockFlow, const FloatingObject&, LayoutUnit lineTop, LayoutUnit lineHeight);
 
     static ShapeOutsideInfo& ensureInfo(const LayoutBox& key)
     {