Have DOMPatchSupport and DocumentFragment deal with Document references

Source/core/editing/EditorCommand.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Igalia S.L.
  *
  * 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.
@@ skipping 181 matching lines @@
 
 static bool executeInsertFragment(Frame& frame, PassRefPtr<DocumentFragment> fragment)
 {
     ASSERT(frame.document());
     applyCommand(ReplaceSelectionCommand::create(*frame.document(), fragment, ReplaceSelectionCommand::PreventNesting, EditActionUnspecified));
     return true;
 }
 
 static bool executeInsertNode(Frame& frame, PassRefPtr<Node> content)
 {
-    RefPtr<DocumentFragment> fragment = DocumentFragment::create(frame.document());
+    ASSERT(frame.document());
+    RefPtr<DocumentFragment> fragment = DocumentFragment::create(*frame.document());
     TrackExceptionState es;
     fragment->appendChild(content, es);
     if (es.hadException())
         return false;
     return executeInsertFragment(frame, fragment.release());
 }
 
 static bool expandSelectionToGranularity(Frame& frame, TextGranularity granularity)
 {
     VisibleSelection selection = frame.selection().selection();
@@ skipping 283 matching lines @@
 {
     ASSERT(frame.document());
     RefPtr<HTMLHRElement> rule = HTMLHRElement::create(*frame.document());
     if (!value.isEmpty())
         rule->setIdAttribute(value);
     return executeInsertNode(frame, rule.release());
 }
 
 static bool executeInsertHTML(Frame& frame, Event*, EditorCommandSource, const String& value)
 {
-    return executeInsertFragment(frame, createFragmentFromMarkup(frame.document(), value, ""));
+    ASSERT(frame.document());
+    return executeInsertFragment(frame, createFragmentFromMarkup(*frame.document(), value, ""));
 }
 
 static bool executeInsertImage(Frame& frame, Event*, EditorCommandSource, const String& value)
 {
     // FIXME: If userInterface is true, we should display a dialog box and let the user choose a local image.
     ASSERT(frame.document());
     RefPtr<HTMLImageElement> image = HTMLImageElement::create(*frame.document());
     image->setSrc(value);
     return executeInsertNode(frame, image.release());
 }
@@ skipping 1240 matching lines @@
         return m_command->state(*m_frame, triggeringEvent) == TrueTriState ? "true" : "false";
     return m_command->value(*m_frame, triggeringEvent);
 }
 
 bool Editor::Command::isTextInsertion() const
 {
     return m_command && m_command->isTextInsertion;
 }
 
 } // namespace WebCore