Make SpellChecker::respondToChangedSelection() to take Position instead of VisibleSelection

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

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 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 286 matching lines @@
   if (m_selectionEditor->visibleSelection<Strategy>() == s) {
     // Even if selection was not changed, selection offsets may have been
     // changed.
     m_frame->inputMethodController().cancelCompositionIfSelectionIsInvalid();
     notifyLayoutObjectOfSelectionChange(userTriggered);
     return;
   }
 
   const VisibleSelectionTemplate<Strategy> oldSelection =
       visibleSelection<Strategy>();
-  const VisibleSelection oldSelectionInDOMTree = selection();
+  const Position& oldSelectionStart = selection().start();
 
   m_selectionEditor->setVisibleSelection(s, options);
   m_frameCaret->setCaretRectNeedsUpdate();
 
   if (!s.isNone() && !(options & DoNotSetFocus)) {
     setFocusedNodeIfNeeded();
     // |setFocusedNodeIfNeeded()| dispatches sync events "FocusOut" and
     // "FocusIn", |m_frame| may associate to another document.
     if (!isAvailable() || document() != currentDocument) {
       // Once we get test case to reach here, we should change this
@@ skipping 25 matching lines @@
   notifyLayoutObjectOfSelectionChange(userTriggered);
   // If the selections are same in the DOM tree but not in the flat tree,
   // don't fire events. For example, if the selection crosses shadow tree
   // boundary, selection for the DOM tree is shrunk while that for the
   // flat tree is not. Additionally, this case occurs in some edge cases.
   // See also: editing/pasteboard/4076267-3.html
   if (oldSelection == m_selectionEditor->visibleSelection<Strategy>()) {
     m_frame->inputMethodController().cancelCompositionIfSelectionIsInvalid();
     return;
   }
-  m_frame->editor().respondToChangedSelection(oldSelectionInDOMTree, options);
+  m_frame->editor().respondToChangedSelection(oldSelectionStart, options);
   if (userTriggered == UserTriggered) {
     ScrollAlignment alignment;
 
     if (m_frame->editor().behavior().shouldCenterAlignWhenSelectionIsRevealed())
       alignment = (align == CursorAlignOnScroll::Always)
                       ? ScrollAlignment::alignCenterAlways
                       : ScrollAlignment::alignCenterIfNeeded;
     else
       alignment = (align == CursorAlignOnScroll::Always)
                       ? ScrollAlignment::alignTopAlways
@@ skipping 1137 matching lines @@
 }
 
 void showTree(const blink::FrameSelection* sel) {
   if (sel)
     sel->showTreeForThis();
   else
     LOG(INFO) << "Cannot showTree for <null> FrameSelection.";
 }
 
 #endif