Remove Apple-style-span CSS class support

third_party/WebKit/Source/core/editing/commands/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 38 matching lines @@
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutText.h"
 #include "platform/heap/Handle.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
-static String& styleSpanClassString() {
-  DEFINE_STATIC_LOCAL(String, styleSpanClassString, ((AppleStyleSpanClass)));
-  return styleSpanClassString;
-}
-
-bool isLegacyAppleHTMLSpanElement(const Node* node) {
-  if (!isHTMLSpanElement(node))
-    return false;
-
-  const HTMLSpanElement& span = toHTMLSpanElement(*node);
-  if (span.getAttribute(classAttr) != styleSpanClassString())
-    return false;
-  UseCounter::count(span.document(), UseCounter::EditingAppleStyleSpanClass);
-  return true;
-}
-
 static bool hasNoAttributeOrOnlyStyleAttribute(
     const HTMLElement* element,
     ShouldStyleAttributeBeEmpty shouldStyleAttributeBeEmpty) {
   AttributeCollection attributes = element->attributes();
   if (attributes.isEmpty())
     return true;
 
   unsigned matchedAttributes = 0;
-  if (element->getAttribute(classAttr) == styleSpanClassString())
-    matchedAttributes++;
   if (element->hasAttribute(styleAttr) &&
       (shouldStyleAttributeBeEmpty == AllowNonEmptyStyleAttribute ||
        !element->inlineStyle() || element->inlineStyle()->isEmpty()))
     matchedAttributes++;
 
   DCHECK_LE(matchedAttributes, attributes.size());
   return matchedAttributes == attributes.size();
 }
 
 bool isStyleSpanOrSpanWithOnlyStyleAttribute(const Element* element) {
@@ skipping 1935 matching lines @@
 
 DEFINE_TRACE(ApplyStyleCommand) {
   visitor->trace(m_style);
   visitor->trace(m_start);
   visitor->trace(m_end);
   visitor->trace(m_styledInlineElement);
   CompositeEditCommand::trace(visitor);
 }
 
 }  // namespace blink