Use nullptr_t for RefPtr, PassRefPtr and RawPtr.

Source/core/editing/ApplyStyleCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2008, 2009 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 107 matching lines @@
 }
 
 ApplyStyleCommand::ApplyStyleCommand(Document& document, const EditingStyle* style, EditAction editingAction, EPropertyLevel propertyLevel)
     : CompositeEditCommand(document)
     , m_style(style->copy())
     , m_editingAction(editingAction)
     , m_propertyLevel(propertyLevel)
     , m_start(endingSelection().start().downstream())
     , m_end(endingSelection().end().upstream())
     , m_useEndingSelection(true)
-    , m_styledInlineElement(0)
+    , m_styledInlineElement(nullptr)
     , m_removeOnly(false)
     , m_isInlineElementToRemoveFunction(0)
 {
 }
 
 ApplyStyleCommand::ApplyStyleCommand(Document& document, const EditingStyle* style, const Position& start, const Position& end, EditAction editingAction, EPropertyLevel propertyLevel)
     : CompositeEditCommand(document)
     , m_style(style->copy())
     , m_editingAction(editingAction)
     , m_propertyLevel(propertyLevel)
     , m_start(start)
     , m_end(end)
     , m_useEndingSelection(false)
-    , m_styledInlineElement(0)
+    , m_styledInlineElement(nullptr)
     , m_removeOnly(false)
     , m_isInlineElementToRemoveFunction(0)
 {
 }
 
 ApplyStyleCommand::ApplyStyleCommand(PassRefPtr<Element> element, bool removeOnly, EditAction editingAction)
     : CompositeEditCommand(element->document())
     , m_style(EditingStyle::create())
     , m_editingAction(editingAction)
     , m_propertyLevel(PropertyDefault)
     , m_start(endingSelection().start().downstream())
     , m_end(endingSelection().end().upstream())
     , m_useEndingSelection(true)
     , m_styledInlineElement(element)
     , m_removeOnly(removeOnly)
     , m_isInlineElementToRemoveFunction(0)
 {
 }
 
 ApplyStyleCommand::ApplyStyleCommand(Document& document, const EditingStyle* style, IsInlineElementToRemoveFunction isInlineElementToRemoveFunction, EditAction editingAction)
     : CompositeEditCommand(document)
     , m_style(style->copy())
     , m_editingAction(editingAction)
     , m_propertyLevel(PropertyDefault)
     , m_start(endingSelection().start().downstream())
     , m_end(endingSelection().end().upstream())
     , m_useEndingSelection(true)
-    , m_styledInlineElement(0)
+    , m_styledInlineElement(nullptr)
     , m_removeOnly(true)
     , m_isInlineElementToRemoveFunction(isInlineElementToRemoveFunction)
 {
 }
 
 void ApplyStyleCommand::updateStartEnd(const Position& newStart, const Position& newEnd)
 {
     ASSERT(comparePositions(newEnd, newStart) >= 0);
 
     if (!m_useEndingSelection && (newStart != m_start || newEnd != m_end))
@@ skipping 348 matching lines @@
     for (Node* n = startNode; n && n != enclosingNode; n = n->parentNode()) {
         if (n->isHTMLElement() && getIdentifierValue(CSSComputedStyleDeclaration::create(n).get(), CSSPropertyUnicodeBidi) == CSSValueEmbed)
             return n;
     }
 
     return 0;
 }
 
 void ApplyStyleCommand::applyInlineStyle(EditingStyle* style)
 {
-    RefPtr<Node> startDummySpanAncestor = 0;
-    RefPtr<Node> endDummySpanAncestor = 0;
+    RefPtr<Node> startDummySpanAncestor = nullptr;
+    RefPtr<Node> endDummySpanAncestor = nullptr;
 
     // update document layout once before removing styles
     // so that we avoid the expense of updating before each and every call
     // to check a computed style
     document().updateLayoutIgnorePendingStylesheets();
 
     // adjust to the positions we want to use for applying style
     Position start = startPosition();
     Position end = endPosition();
 
@@ skipping 977 matching lines @@
         String textToMove = nextText->data();
         insertTextIntoNode(childText, childText->length(), textToMove);
         removeNode(next);
         // don't move child node pointer. it may want to merge with more text nodes.
     }
 
     updateStartEnd(newStart, newEnd);
 }
 
 }