[Editing] Store |CommandSource| in |CompositeEditCommand|

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

 /*
  * Copyright (C) 2005 Apple Computer, 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 19 matching lines @@
 #include "core/dom/Text.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/Editor.h"
 #include "core/editing/VisibleUnits.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLSpanElement.h"
 
 namespace blink {
 
 InsertTextCommand::InsertTextCommand(Document& document,
+                                     CommandSource source,
                                      const String& text,
                                      bool selectInsertedText,
                                      RebalanceType rebalanceType)
-    : CompositeEditCommand(document),
+    : CompositeEditCommand(document, source),
       m_text(text),
       m_selectInsertedText(selectInsertedText),
       m_rebalanceType(rebalanceType) {}
 
 String InsertTextCommand::textDataForInputEvent() const {
   return m_text;
 }
 
 Position InsertTextCommand::positionInsideTextNode(const Position& p,
                                                    EditingState* editingState) {
@@ skipping 271 matching lines @@
     }
   }
   if (editingState->isAborted())
     return Position();
 
   // return the position following the new tab
   return Position::lastPositionInNode(spanElement);
 }
 
 }  // namespace blink