Simplify the usage of PositionWithAffinity

third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009, 2010, 2011 Google 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 1548 matching lines @@
     // what comes after and prevent that from happening.
     VisiblePosition endOfInsertedContent = positionAtEndOfInsertedContent();
     if (startOfParagraph(endOfInsertedContent).deepEquivalent() ==
         startOfParagraphToMovePosition.position()) {
       insertNodeAt(HTMLBRElement::create(document()),
                    endOfInsertedContent.deepEquivalent(), editingState);
       if (editingState->isAborted())
         return;
       // Mutation events (bug 22634) triggered by inserting the <br> might have
       // removed the content we're about to move
-      if (!startOfParagraphToMovePosition.position().isConnected())
+      if (!startOfParagraphToMovePosition.isConnected())
         return;
     }
 
     document().updateStyleAndLayoutIgnorePendingStylesheets();
 
     // Making the two VisiblePositions valid again.
     startOfParagraphToMove =
         createVisiblePosition(startOfParagraphToMovePosition);
     destination = createVisiblePosition(destinationPosition);
 
@@ skipping 495 matching lines @@
   visitor->trace(m_startOfInsertedContent);
   visitor->trace(m_endOfInsertedContent);
   visitor->trace(m_insertionStyle);
   visitor->trace(m_documentFragment);
   visitor->trace(m_startOfInsertedRange);
   visitor->trace(m_endOfInsertedRange);
   CompositeEditCommand::trace(visitor);
 }
 
 }  // namespace blink