Get rid of redundant parameter PositionIsOffsetInAnchor from PositionAlgorithm constructor

Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1854 matching lines @@
         HTMLTextFormControlElement* textControl = toLayoutTextControl(m_layoutObject)->textFormControlElement();
         textControl->setSelectionRange(range.start, range.start + range.length, SelectionHasNoDirection, NotDispatchSelectEvent);
         return;
     }
 
     Document& document = m_layoutObject->document();
     LocalFrame* frame = document.frame();
     if (!frame)
         return;
     Node* node = m_layoutObject->node();
-    frame->selection().setSelection(VisibleSelection(Position(node, range.start, Position::PositionIsOffsetInAnchor),
-        Position(node, range.start + range.length, Position::PositionIsOffsetInAnchor), DOWNSTREAM));
+    frame->selection().setSelection(VisibleSelection(Position(node, range.start),
+        Position(node, range.start + range.length), DOWNSTREAM));
 }
 
 void AXLayoutObject::setValue(const String& string)
 {
     if (!node() || !node()->isElementNode())
         return;
     if (!m_layoutObject || !m_layoutObject->isBoxModelObject())
         return;
 
     LayoutBoxModelObject* layoutObject = toLayoutBoxModelObject(m_layoutObject);
@@ skipping 111 matching lines @@
     if (index <= 0)
         return VisiblePosition(firstPositionInOrBeforeNode(node), DOWNSTREAM);
 
     Position start, end;
     bool selected = Range::selectNodeContents(node, start, end);
     if (!selected)
         return VisiblePosition();
 
     CharacterIterator it(start, end);
     it.advance(index - 1);
-    return VisiblePosition(Position(it.currentContainer(), it.endOffset(), Position::PositionIsOffsetInAnchor), UPSTREAM);
+    return VisiblePosition(Position(it.currentContainer(), it.endOffset()), UPSTREAM);
 }
 
 int AXLayoutObject::indexForVisiblePosition(const VisiblePosition& pos) const
 {
     if (m_layoutObject->isTextControl()) {
         HTMLTextFormControlElement* textControl = toLayoutTextControl(m_layoutObject)->textFormControlElement();
         return textControl->indexForVisiblePosition(pos);
     }
 
     if (!isTextControl())
@@ skipping 488 matching lines @@
         if (label && label->layoutObject()) {
             LayoutRect labelRect = axObjectCache().getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace blink