Introduce LayoutObject::createPositionWithAffinity(int offset)

Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2576 matching lines @@
 void LayoutObject::removeShapeImageClient(ShapeValue* shapeValue)
 {
     if (!shapeValue)
         return;
     if (StyleImage* shapeImage = shapeValue->image())
         shapeImage->removeClient(this);
 }
 
 PositionWithAffinity LayoutObject::positionForPoint(const LayoutPoint&)
 {
-    return createPositionWithAffinity(caretMinOffset(), DOWNSTREAM);
+    return createPositionWithAffinity(caretMinOffset());
 }
 
 void LayoutObject::updateDragState(bool dragOn)
 {
     bool valueChanged = (dragOn != isDragging());
     setIsDragging(dragOn);
     if (valueChanged && node()) {
         if (node()->isElementNode() && toElement(node())->childrenOrSiblingsAffectedByDrag())
             node()->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Drag));
         else if (style()->affectedByDrag())
@@ skipping 421 matching lines @@
             return PositionWithAffinity(firstPositionInOrBeforeNode(node), DOWNSTREAM);
 
         // Repeat at the next level up.
         child = parent;
     }
 
     // Everything was anonymous. Give up.
     return PositionWithAffinity();
 }
 
+PositionWithAffinity LayoutObject::createPositionWithAffinity(int offset)
+{
+    return createPositionWithAffinity(offset, DOWNSTREAM);
+}
+
 PositionWithAffinity LayoutObject::createPositionWithAffinity(const Position& position)
 {
     if (position.isNotNull())
         return PositionWithAffinity(position);
 
     ASSERT(!node());
-    return createPositionWithAffinity(0, DOWNSTREAM);
+    return createPositionWithAffinity(0);
 }
 
 CursorDirective LayoutObject::getCursor(const LayoutPoint&, Cursor&) const
 {
     return SetCursorBasedOnStyle;
 }
 
 bool LayoutObject::canUpdateSelectionOnRootLineBoxes() const
 {
     if (needsLayout())
@@ skipping 341 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif