Use toElement instead of static_cast<Element*> and static_cast<const Element*>

Source/core/editing/htmlediting.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 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 877 matching lines @@
     return HTMLElementFactory::createHTMLElement(name, document, 0, false);
 }
 
 PassRefPtr<HTMLElement> createHTMLElement(Document* document, const AtomicString& tagName)
 {
     return createHTMLElement(document, QualifiedName(nullAtom, tagName, xhtmlNamespaceURI));
 }
 
 bool isTabSpanNode(const Node *node)
 {
-    return node && node->hasTagName(spanTag) && node->isElementNode() && static_cast<const Element *>(node)->getAttribute(classAttr) == AppleTabSpanClass;
+    return node && node->hasTagName(spanTag) && node->isElementNode() && toElement(node)->getAttribute(classAttr) == AppleTabSpanClass;
 }
 
 bool isTabSpanTextNode(const Node *node)
 {
     return node && node->isTextNode() && node->parentNode() && isTabSpanNode(node->parentNode());
 }
 
 Node* tabSpanNode(const Node *node)
 {
     return isTabSpanTextNode(node) ? node->parentNode() : 0;
@@ skipping 91 matching lines @@
             position = positionInParentBeforeNode(node);
         break;
     }
 }
 
 bool isMailBlockquote(const Node *node)
 {
     if (!node || !node->hasTagName(blockquoteTag))
         return false;
         
-    return static_cast<const Element *>(node)->getAttribute("type") == "cite";
+    return toElement(node)->getAttribute("type") == "cite";
 }
 
 int caretMinOffset(const Node* n)
 {
     RenderObject* r = n->renderer();
     ASSERT(!n->isCharacterDataNode() || !r || r->isText()); // FIXME: This was a runtime check that seemingly couldn't fail; changed it to an assertion for now.
     return r ? r->caretMinOffset() : 0;
 }
 
 // If a node can contain candidates for VisiblePositions, return the offset of the last candidate, otherwise 
@@ skipping 177 matching lines @@
     // if the selection starts just before a paragraph break, skip over it
     if (isEndOfParagraph(visiblePosition))
         return visiblePosition.next().deepEquivalent().downstream();
 
     // otherwise, make sure to be at the start of the first selected node,
     // instead of possibly at the end of the last node before the selection
     return visiblePosition.deepEquivalent().downstream();
 }
 
 } // namespace WebCore