Editing: Indent command: Do not insert BLOCKQUOTE under the root HTML element.

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

 /*
  * Copyright (C) 2005, 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 203 matching lines @@
                             VisiblePosition destination = VisiblePosition());
 
   bool breakOutOfEmptyListItem(EditingState*);
   bool breakOutOfEmptyMailBlockquotedParagraph(EditingState*);
 
   Position positionAvoidingSpecialElementBoundary(const Position&,
                                                   EditingState*);
 
   Node* splitTreeToNode(Node*, Node*, bool splitAncestor = false);
 
+  void shrinkEndingSelectionToFitBody();
+
   HeapVector<Member<EditCommand>> m_commands;
 
  private:
   bool isCompositeEditCommand() const final { return true; }
 
   VisibleSelection m_startingSelection;
   VisibleSelection m_endingSelection;
   Member<UndoStep> m_undoStep;
 };
 
 DEFINE_TYPE_CASTS(CompositeEditCommand,
                   EditCommand,
                   command,
                   command->isCompositeEditCommand(),
                   command.isCompositeEditCommand());
 
 }  // namespace blink
 
 #endif  // CompositeEditCommand_h