Get rid of a redundant argument DOWNSTREAM from VisiblePosition constructor call sites

Source/core/editing/EditingUtilities.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 619 matching lines @@
 
     return false;
 }
 
 static HTMLElement* firstInSpecialElement(const Position& pos)
 {
     Element* rootEditableElement = pos.computeContainerNode()->rootEditableElement();
     for (Node* n = pos.anchorNode(); n && n->rootEditableElement() == rootEditableElement; n = n->parentNode()) {
         if (isSpecialHTMLElement(*n)) {
             HTMLElement* specialElement = toHTMLElement(n);
-            VisiblePosition vPos = VisiblePosition(pos, DOWNSTREAM);
-            VisiblePosition firstInElement = VisiblePosition(firstPositionInOrBeforeNode(specialElement), DOWNSTREAM);
+            VisiblePosition vPos = VisiblePosition(pos);
+            VisiblePosition firstInElement = VisiblePosition(firstPositionInOrBeforeNode(specialElement));
             if (isRenderedTableElement(specialElement) && vPos.deepEquivalent() == firstInElement.next().deepEquivalent())
                 return specialElement;
             if (vPos.deepEquivalent() == firstInElement.deepEquivalent())
                 return specialElement;
         }
     }
     return 0;
 }
 
 static HTMLElement* lastInSpecialElement(const Position& pos)
 {
     Element* rootEditableElement = pos.computeContainerNode()->rootEditableElement();
     for (Node* n = pos.anchorNode(); n && n->rootEditableElement() == rootEditableElement; n = n->parentNode()) {
         if (isSpecialHTMLElement(*n)) {
             HTMLElement* specialElement = toHTMLElement(n);
-            VisiblePosition vPos = VisiblePosition(pos, DOWNSTREAM);
-            VisiblePosition lastInElement = VisiblePosition(lastPositionInOrAfterNode(specialElement), DOWNSTREAM);
+            VisiblePosition vPos = VisiblePosition(pos);
+            VisiblePosition lastInElement = VisiblePosition(lastPositionInOrAfterNode(specialElement));
             if (isRenderedTableElement(specialElement) && vPos.deepEquivalent() == lastInElement.previous().deepEquivalent())
                 return specialElement;
             if (vPos.deepEquivalent() == lastInElement.deepEquivalent())
                 return specialElement;
         }
     }
     return 0;
 }
 
 Position positionBeforeContainingSpecialElement(const Position& pos, HTMLElement** containingSpecialElement)
@@ skipping 84 matching lines @@
             return node;
         node = nextNodeConsideringAtomicNodes(*node);
     }
     return nullptr;
 }
 
 // Returns the visible position at the beginning of a node
 VisiblePosition visiblePositionBeforeNode(Node& node)
 {
     if (node.hasChildren())
-        return VisiblePosition(firstPositionInOrBeforeNode(&node), DOWNSTREAM);
+        return VisiblePosition(firstPositionInOrBeforeNode(&node));
     ASSERT(node.parentNode());
     ASSERT(!node.parentNode()->isShadowRoot());
     return VisiblePosition(positionInParentBeforeNode(node));
 }
 
 // Returns the visible position at the ending of a node
 VisiblePosition visiblePositionAfterNode(Node& node)
 {
     if (node.hasChildren())
-        return VisiblePosition(lastPositionInOrAfterNode(&node), DOWNSTREAM);
+        return VisiblePosition(lastPositionInOrAfterNode(&node));
     ASSERT(node.parentNode());
     ASSERT(!node.parentNode()->isShadowRoot());
     return VisiblePosition(positionInParentAfterNode(node));
 }
 
 bool isHTMLListElement(Node* n)
 {
     return (n && (isHTMLUListElement(*n) || isHTMLOListElement(*n) || isHTMLDListElement(*n)));
 }
 
@@ skipping 650 matching lines @@
     // if the selection starts just before a paragraph break, skip over it
     if (isEndOfParagraph(visiblePosition))
         return visiblePosition.next().deepEquivalent().downstream();
 
     // otherwise, make sure to be at the start of the first selected node,
     // instead of possibly at the end of the last node before the selection
     return visiblePosition.deepEquivalent().downstream();
 }
 
 } // namespace blink