[Editing] Store |CommandSource| in |CompositeEditCommand|

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

 /*
  * Copyright (C) 2006, 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 37 matching lines @@
   if (!node->layoutObject() || !node->layoutObject()->isLayoutBlock())
     return false;
   const HTMLElement& element = toHTMLElement(*node);
   // TODO(yosin): We should check OL/UL element has "list-style-type" CSS
   // property to make sure they layout contents as list.
   return isHTMLUListElement(element) || isHTMLOListElement(element) ||
          element.hasTagName(blockquoteTag);
 }
 
 IndentOutdentCommand::IndentOutdentCommand(Document& document,
+                                           CommandSource source,
                                            EIndentType typeOfAction)
     : ApplyBlockElementCommand(
           document,
+          source,
           blockquoteTag,
           "margin: 0 0 0 40px; border: none; padding: 0px;"),
       m_typeOfAction(typeOfAction) {}
 
 bool IndentOutdentCommand::tryIndentingAsListItem(const Position& start,
                                                   const Position& end,
                                                   EditingState* editingState) {
   // If our selection is not inside a list, bail out.
   Node* lastNodeInSelectedParagraph = start.anchorNode();
   HTMLElement* listElement = enclosingList(lastNodeInSelectedParagraph);
@@ skipping 132 matching lines @@
   HTMLElement* enclosingElement = toHTMLElement(
       enclosingNodeOfType(visibleStartOfParagraph.deepEquivalent(),
                           &isHTMLListOrBlockquoteElement));
   // We can't outdent if there is no place to go!
   if (!enclosingElement || !hasEditableStyle(*enclosingElement->parentNode()))
     return;
 
   // Use InsertListCommand to remove the selection from the list
   if (isHTMLOListElement(*enclosingElement)) {
     applyCommandToComposite(
-        InsertListCommand::create(document(), InsertListCommand::OrderedList),
+        InsertListCommand::create(document(), commandSource(),
+                                  InsertListCommand::OrderedList),
         editingState);
     return;
   }
   if (isHTMLUListElement(*enclosingElement)) {
     applyCommandToComposite(
-        InsertListCommand::create(document(), InsertListCommand::UnorderedList),
+        InsertListCommand::create(document(), commandSource(),
+                                  InsertListCommand::UnorderedList),
         editingState);
     return;
   }
 
   // The selection is inside a blockquote i.e. enclosingNode is a blockquote
   VisiblePosition positionInEnclosingBlock =
       VisiblePosition::firstPositionInNode(enclosingElement);
   // If the blockquote is inline, the start of the enclosing block coincides
   // with positionInEnclosingBlock.
   VisiblePosition startOfEnclosingBlock =
@@ skipping 181 matching lines @@
   else
     indentIntoBlockquote(start, end, blockquoteForNextIndent, editingState);
 }
 
 InputEvent::InputType IndentOutdentCommand::inputType() const {
   return m_typeOfAction == Indent ? InputEvent::InputType::FormatIndent
                                   : InputEvent::InputType::FormatOutdent;
 }
 
 }  // namespace blink