Have EditCommand classes deal with Document references, not pointers

Source/core/editing/InsertIntoTextNodeCommand.cpp

 /*
  * Copyright (C) 2005, 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 17 matching lines @@
 
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/Document.h"
 #include "core/dom/Text.h"
 #include "core/page/Settings.h"
 #include "core/rendering/RenderText.h"
 
 namespace WebCore {
 
 InsertIntoTextNodeCommand::InsertIntoTextNodeCommand(PassRefPtr<Text> node, unsigned offset, const String& text)
-    : SimpleEditCommand(&node->document())
+    : SimpleEditCommand(node->document())
     , m_node(node)
     , m_offset(offset)
     , m_text(text)
 {
     ASSERT(m_node);
     ASSERT(m_offset <= m_node->length());
     ASSERT(!m_text.isEmpty());
 }
 
 void InsertIntoTextNodeCommand::doApply()
 {
-    bool passwordEchoEnabled = document()->settings() && document()->settings()->passwordEchoEnabled();
+    bool passwordEchoEnabled = document().settings() && document().settings()->passwordEchoEnabled();
     if (passwordEchoEnabled)
-        document()->updateLayoutIgnorePendingStylesheets();
+        document().updateLayoutIgnorePendingStylesheets();
 
     if (!m_node->rendererIsEditable())
         return;
 
     if (passwordEchoEnabled) {
         RenderText* renderText = toRenderText(m_node->renderer());
         if (renderText && renderText->isSecure())
             renderText->momentarilyRevealLastTypedCharacter(m_offset + m_text.length() - 1);
     }
 
     m_node->insertData(m_offset, m_text, IGNORE_EXCEPTION, DeprecatedAttachNow);
 }
 
 void InsertIntoTextNodeCommand::doUnapply()
 {
     if (!m_node->rendererIsEditable())
         return;
 
     m_node->deleteData(m_offset, m_text.length(), IGNORE_EXCEPTION, DeprecatedAttachNow);
 }
 
 #ifndef NDEBUG
 void InsertIntoTextNodeCommand::getNodesInCommand(HashSet<Node*>& nodes)
 {
     addNodeAndDescendants(m_node.get(), nodes);
 }
 #endif
 
 } // namespace WebCore