[InputEvent] Add prefixes 'history*' and 'format*' to |inputType|

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 384 matching lines @@
       tryIndentingAsListItem(start, end, editingState);
   if (editingState->isAborted())
     return;
   if (indentingAsListItemResult)
     blockquoteForNextIndent = nullptr;
   else
     indentIntoBlockquote(start, end, blockquoteForNextIndent, editingState);
 }
 
 InputEvent::InputType IndentOutdentCommand::inputType() const {
-  return m_typeOfAction == Indent ? InputEvent::InputType::Indent
-                                  : InputEvent::InputType::Outdent;
+  return m_typeOfAction == Indent ? InputEvent::InputType::FormatIndent
+                                  : InputEvent::InputType::FormatOutdent;
 }
 
 }  // namespace blink