Move EditCommand::starting/endingSelection() to CompositeEditCommand (1/2)

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

 /*
  * Copyright (C) 2005, 2006, 2007, 2008 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 62 matching lines @@
 #include "core/layout/LayoutListItem.h"
 #include "core/layout/LayoutText.h"
 #include "core/layout/line/InlineTextBox.h"
 #include <algorithm>
 
 namespace blink {
 
 using namespace HTMLNames;
 
 CompositeEditCommand::CompositeEditCommand(Document& document)
-    : EditCommand(document) {}
+    : EditCommand(document) {
+  setStartingSelection(document.frame()->selection().selection());
+  setEndingVisibleSelection(m_startingSelection);
+}
 
 CompositeEditCommand::~CompositeEditCommand() {
   DCHECK(isTopLevelCommand() || !m_undoStep);
 }
 
 bool CompositeEditCommand::apply() {
   DCHECK(!isCommandGroupWrapper());
   if (!endingSelection().isContentRichlyEditable()) {
     switch (inputType()) {
       case InputEvent::InputType::InsertText:
@@ skipping 1831 matching lines @@
         createVisiblePosition(firstPositionInOrBeforeNode(node));
     if (positionInParent.deepEquivalent() != positionInNode.deepEquivalent())
       splitElement(parentElement, node);
   }
 
   return node;
 }
 
 DEFINE_TRACE(CompositeEditCommand) {
   visitor->trace(m_commands);
+  visitor->trace(m_startingSelection);
+  visitor->trace(m_endingSelection);
   visitor->trace(m_undoStep);
   EditCommand::trace(visitor);
 }
 
 }  // namespace blink