Remove Apple-style-span CSS class support

third_party/WebKit/Source/core/editing/EditingStyle.cpp

 /*
  * Copyright (C) 2007, 2008, 2009 Apple Computer, Inc.
  * Copyright (C) 2010, 2011 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 1046 matching lines @@
     if (equivalent->matches(element) &&
         equivalent->attributeName() != HTMLNames::dirAttr)
       matchedAttributes++;
   }
 
   if (!elementIsSpanOrElementEquivalent && !matchedAttributes) {
     // element is not a span, a html element equivalent, or font element.
     return false;
   }
 
-  if (element->getAttribute(HTMLNames::classAttr) == AppleStyleSpanClass)
-    matchedAttributes++;
-
   if (element->hasAttribute(HTMLNames::styleAttr)) {
     if (const StylePropertySet* style = element->inlineStyle()) {
       unsigned propertyCount = style->propertyCount();
       for (unsigned i = 0; i < propertyCount; ++i) {
         if (!isEditingProperty(style->propertyAt(i).id()))
           return false;
       }
     }
     matchedAttributes++;
   }
@@ skipping 691 matching lines @@
     const CSSIdentifierValue& identifierValue = toCSSIdentifierValue(*value);
     if (CSSValueXSmall <= identifierValue.getValueID() &&
         identifierValue.getValueID() <= CSSValueWebkitXxxLarge)
       return identifierValue.getValueID() - CSSValueXSmall + 1;
   }
 
   return 0;
 }
 
 }  // namespace blink