Remove mail blockquote special case handling.

Source/WebCore/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 947 matching lines @@
     if (!node)
         return false;
 
     RenderObject* renderer = node->renderer();
     if (!renderer)
         return false;
 
     return renderer->style()->visibility() == VISIBLE;
 }
 
-unsigned numEnclosingMailBlockquotes(const Position& p)
-{
-    unsigned num = 0;
-    for (Node* n = p.deprecatedNode(); n; n = n->parentNode())
-        if (isMailBlockquote(n))
-            num++;
-    
-    return num;
-}
-
 void updatePositionForNodeRemoval(Position& position, Node* node)
 {
     if (position.isNull())
         return;
     switch (position.anchorType()) {
     case Position::PositionIsBeforeChildren:
         if (position.containerNode() == node)
             position = positionInParentBeforeNode(node);
         break;
     case Position::PositionIsAfterChildren:
@@ skipping 10 matching lines @@
         if (node->containsIncludingShadowDOM(position.anchorNode()))
             position = positionInParentAfterNode(node);
         break;
     case Position::PositionIsBeforeAnchor:
         if (node->containsIncludingShadowDOM(position.anchorNode()))
             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";
-}
-
 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 
 // return the number of children for container nodes and the length for unrendered text nodes.
 int caretMaxOffset(const Node* n)
@@ skipping 175 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