Get rid of ownStyle in LayoutObject::getUncachedPseudoStyle.

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 211 matching lines @@
   const ObjectPaintProperties* paintProperties() const {
     return m_layoutObject->paintProperties();
   }
 
   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 {
+      const ComputedStyle* parentStyle = nullptr) const {
     return m_layoutObject->getUncachedPseudoStyle(pseudoStyleRequest,
-                                                  parentStyle, ownStyle);
+                                                  parentStyle);
   }
 
  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