Oilpan: transition types for remaining Node hierarchy object occurrences.

Source/core/editing/ApplyBlockElementCommand.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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
@@ skipping 67 matching lines @@
         if (newSelection.isNone())
             return;
         setEndingSelection(newSelection);
     }
 
     VisibleSelection selection = selectionForParagraphIteration(endingSelection());
     VisiblePosition startOfSelection = selection.visibleStart();
     VisiblePosition endOfSelection = selection.visibleEnd();
     ASSERT(!startOfSelection.isNull());
     ASSERT(!endOfSelection.isNull());
-    RefPtr<ContainerNode> startScope;
+    RefPtrWillBeRawPtr<ContainerNode> startScope = nullptr;
     int startIndex = indexForVisiblePosition(startOfSelection, startScope);
-    RefPtr<ContainerNode> endScope;
+    RefPtrWillBeRawPtr<ContainerNode> endScope = nullptr;
     int endIndex = indexForVisiblePosition(endOfSelection, endScope);
 
     formatSelection(startOfSelection, endOfSelection);
 
     document().updateLayoutIgnorePendingStylesheets();
 
     ASSERT(startScope == endScope);
     ASSERT(startIndex >= 0);
     ASSERT(startIndex <= endIndex);
     if (startScope == endScope && startIndex >= 0 && startIndex <= endIndex) {
@@ skipping 181 matching lines @@
 
 PassRefPtr<Element> ApplyBlockElementCommand::createBlockElement() const
 {
     RefPtr<Element> element = createHTMLElement(document(), m_tagName);
     if (m_inlineStyle.length())
         element->setAttribute(styleAttr, m_inlineStyle);
     return element.release();
 }
 
 }