[Editing] Store |CommandSource| in |CompositeEditCommand|

third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.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 32 matching lines @@
     MatchStyle = 1 << 2,
     PreventNesting = 1 << 3,
     MovingParagraph = 1 << 4,
     SanitizeFragment = 1 << 5
   };
 
   typedef unsigned CommandOptions;
 
   static ReplaceSelectionCommand* create(
       Document& document,
+      CommandSource source,
       DocumentFragment* fragment,
       CommandOptions options,
       InputEvent::InputType inputType = InputEvent::InputType::None) {
-    return new ReplaceSelectionCommand(document, fragment, options, inputType);
+    return new ReplaceSelectionCommand(document, source, fragment, options,
+                                       inputType);
   }
 
   EphemeralRange insertedRange() const;
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   ReplaceSelectionCommand(Document&,
+                          CommandSource,
                           DocumentFragment*,
                           CommandOptions,
                           InputEvent::InputType);
 
   void doApply(EditingState*) override;
   InputEvent::InputType inputType() const override;
   bool isReplaceSelectionCommand() const override;
 
   class InsertedNodes {
     STACK_ALLOCATED();
@@ skipping 82 matching lines @@
 
 DEFINE_TYPE_CASTS(ReplaceSelectionCommand,
                   CompositeEditCommand,
                   command,
                   command->isReplaceSelectionCommand(),
                   command.isReplaceSelectionCommand());
 
 }  // namespace blink
 
 #endif  // ReplaceSelectionCommand_h