[Layout API] Use ownerLayoutItem in updateScrollCorner()

third_party/WebKit/Source/core/layout/api/LayoutItem.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef LayoutItem_h
 #define LayoutItem_h
 
 #include "core/inspector/InspectorTraceEvents.h"
 #include "core/layout/LayoutObject.h"
 
@@ skipping 300 matching lines @@
     const ObjectPaintProperties* objectPaintProperties() const
     {
         return m_layoutObject->objectPaintProperties();
     }
 
     void invalidatePaintRectangle(const LayoutRect& dirtyRect) const
     {
         m_layoutObject->invalidatePaintRectangle(dirtyRect);
     }
 
+    PassRefPtr<ComputedStyle> getUncachedPseudoStyle(const PseudoStyleRequest& pseudoStyleRequest, const ComputedStyle* parentStyle = nullptr, const ComputedStyle* ownStyle = nullptr) const
+    {
+        return m_layoutObject->getUncachedPseudoStyle(pseudoStyleRequest, parentStyle, ownStyle);
+    }
+
 protected:
     LayoutObject* layoutObject() { return m_layoutObject; }
     const LayoutObject* layoutObject() const { return m_layoutObject; }
 
 private:
     LayoutObject* m_layoutObject;
 
     friend class LayoutAPIShim;
 };
 
 } // namespace blink
 
 #endif // LayoutItem_h