Delete a bunch of rich text editing code.

sky/engine/core/editing/InsertParagraphSeparatorCommand.cpp

 /*
  * Copyright (C) 2005, 2006 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 117 matching lines @@
     insertionPosition = insertionPosition.upstream();
     if (!insertionPosition.isCandidate())
         insertionPosition = insertionPosition.downstream();
 
     // Adjust the insertion position after the delete
     insertionPosition = positionAvoidingSpecialElementBoundary(insertionPosition);
     VisiblePosition visiblePos(insertionPosition, affinity);
     calculateStyleBeforeInsertion(insertionPosition);
 
     //---------------------------------------------------------------------
-    // Handle special case of typing return on an empty list item
-    if (breakOutOfEmptyListItem())
-        return;
-
-    //---------------------------------------------------------------------
     // Prepare for more general cases.
 
     bool isFirstInBlock = isStartOfBlock(visiblePos);
     bool isLastInBlock = isEndOfBlock(visiblePos);
     bool nestNewBlock = false;
 
     // Create block to be inserted.
     RefPtr<Element> blockToInsert = nullptr;
     if (startBlock->isRootEditableElement()) {
         blockToInsert = createDefaultParagraphElement(document());
@@ skipping 159 matching lines @@
             deleteInsignificantTextDownstream(positionAfterSplit);
             if (positionAfterSplit.deprecatedNode()->isTextNode())
                 insertTextIntoNode(toText(positionAfterSplit.containerNode()), 0, nonBreakingSpaceString());
         }
     }
 
     setEndingSelection(VisibleSelection(firstPositionInNode(blockToInsert.get()), DOWNSTREAM, endingSelection().isDirectional()));
 }
 
 } // namespace blink