TextControlElement::selection() should return SelectionInDOMTree.

third_party/WebKit/Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 153 matching lines @@
   // its shadow tree, then use the saved selection for that text control.
   TextControlElement* textControlOfSelectionStart =
       enclosingTextControl(selection.start());
   TextControlElement* textControlOfTarget =
       isTextControlElement(*event->target()->toNode())
           ? toTextControlElement(event->target()->toNode())
           : nullptr;
   if (textControlOfTarget &&
       (selection.start().isNull() ||
        textControlOfTarget != textControlOfSelectionStart)) {
-    if (Range* range = textControlOfTarget->selection()) {
-      return createVisibleSelection(
-          SelectionInDOMTree::Builder()
-              .setBaseAndExtent(EphemeralRange(range))
-              .setIsDirectional(selection.isDirectional())
-              .build());
-    }
+    const SelectionInDOMTree& select = textControlOfTarget->selection();
+    if (!select.isNone())
+      return createVisibleSelection(select);
   }
   return selection;
 }
 
 // Function considers Mac editing behavior a fallback when Page or Settings is
 // not available.
 EditingBehavior Editor::behavior() const {
   if (!frame().settings())
     return EditingBehavior(EditingMacBehavior);
 
@@ skipping 1568 matching lines @@
 
 DEFINE_TRACE(Editor) {
   visitor->trace(m_frame);
   visitor->trace(m_lastEditCommand);
   visitor->trace(m_undoStack);
   visitor->trace(m_mark);
   visitor->trace(m_typingStyle);
 }
 
 }  // namespace blink