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

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

Index: third_party/WebKit/Source/core/layout/api/LineLayoutItem.h
diff --git a/third_party/WebKit/Source/core/layout/api/LineLayoutItem.h b/third_party/WebKit/Source/core/layout/api/LineLayoutItem.h
index 760b76f5297d237f01b151f25f108a7bbfa30dc0..7cb91f39cf9148299352d72b7838275d4cd6db40 100644
--- a/third_party/WebKit/Source/core/layout/api/LineLayoutItem.h
+++ b/third_party/WebKit/Source/core/layout/api/LineLayoutItem.h
@@ -37,6 +37,11 @@ public:
     {
     }
 
+    void detach()
+    {
+        m_layoutObject = 0;
+    }
+
     LineLayoutItem() : m_layoutObject(0) { }
 
     // TODO(pilgrim): Remove this. It's only here to make things compile before
@@ -94,6 +99,11 @@ public:
         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());