[Line Layout API] Convert AbstractInlineTextBox to new line layout API

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

 // Copyright 2015 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 LineLayoutItem_h
 #define LineLayoutItem_h
 
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutObjectInlines.h"
 
@@ skipping 19 matching lines @@
     explicit LineLayoutItem(LayoutObject* layoutObject)
         : m_layoutObject(layoutObject)
     {
     }
 
     LineLayoutItem(std::nullptr_t)
         : m_layoutObject(0)
     {
     }
 
+    void detach()
+    {
+        m_layoutObject = 0;
+    }
+
     LineLayoutItem() : m_layoutObject(0) { }
 
     // TODO(pilgrim): Remove this. It's only here to make things compile before
     // switching all of core/layout/line to using the API.
     // https://crbug.com/499321
     operator LayoutObject*() const { return m_layoutObject; }
 
     bool isEqual(const LayoutObject* layoutObject) const
     {
         return m_layoutObject == layoutObject;
@@ skipping 37 matching lines @@
     bool isDescendantOf(const LineLayoutItem item) const
     {
         return m_layoutObject->isDescendantOf(item);
     }
 
     void updateHitTestResult(HitTestResult& result, const LayoutPoint& point)
     {
         return m_layoutObject->updateHitTestResult(result, point);
     }
 
+    FloatQuad localToAbsoluteQuad(const FloatQuad& quad, MapCoordinatesFlags mode = 0, bool* wasFixed = nullptr) const
+    {
+        return m_layoutObject->localToAbsoluteQuad(quad, mode, wasFixed);
+    }
+
     LineLayoutItem nextSibling() const
     {
         return LineLayoutItem(m_layoutObject->nextSibling());
     }
 
     LineLayoutItem previousSibling() const
     {
         return LineLayoutItem(m_layoutObject->previousSibling());
     }
 
@@ skipping 239 matching lines @@
 
 private:
     LayoutObject* m_layoutObject;
 
     friend class LineLayoutPaintShim;
 };
 
 } // namespace blink
 
 #endif // LineLayoutItem_h