Ensure valid VisiblePosition input for absoluteCaretBoundsOf

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

 /*
  * Copyright (C) 2005 Apple Computer, 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 669 matching lines @@
         && canMergeLists(listItemInFirstParagraph->parentElement(), listItemInSecondParagraph->parentElement())) {
         mergeIdenticalElements(listItemInFirstParagraph->parentElement(), listItemInSecondParagraph->parentElement(), editingState);
         if (editingState->isAborted())
             return;
         m_endingPosition = mergeDestination.deepEquivalent();
         return;
     }
 
     // The rule for merging into an empty block is: only do so if its farther to the right.
     // FIXME: Consider RTL.
-    if (!m_startsAtEmptyLine && isStartOfParagraphDeprecated(mergeDestination) && absoluteCaretBoundsOf(startOfParagraphToMove).x() > absoluteCaretBoundsOf(mergeDestination).x()) {
+    if (!m_startsAtEmptyLine && isStartOfParagraphDeprecated(mergeDestination) && absoluteCaretBoundsOfDeprecated(startOfParagraphToMove).x() > absoluteCaretBoundsOfDeprecated(mergeDestination).x()) {
         if (isHTMLBRElement(*mostForwardCaretPosition(mergeDestination.deepEquivalent()).anchorNode())) {
             removeNodeAndPruneAncestors(mostForwardCaretPosition(mergeDestination.deepEquivalent()).anchorNode(), editingState);
             if (editingState->isAborted())
                 return;
             m_endingPosition = startOfParagraphToMove.deepEquivalent();
             return;
         }
     }
 
     // Block images, tables and horizontal rules cannot be made inline with content at mergeDestination.  If there is
@@ skipping 262 matching lines @@
     visitor->trace(m_deleteIntoBlockquoteStyle);
     visitor->trace(m_startRoot);
     visitor->trace(m_endRoot);
     visitor->trace(m_startTableRow);
     visitor->trace(m_endTableRow);
     visitor->trace(m_temporaryPlaceholder);
     CompositeEditCommand::trace(visitor);
 }
 
 } // namespace blink