FormData allow empty names to append

Source/core/html/DOMFormData.cpp

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 40 matching lines @@
 
     for (unsigned i = 0; i < form->associatedElements().size(); ++i) {
         FormAssociatedElement* element = form->associatedElements()[i];
         if (!toHTMLElement(element)->isDisabledFormControl())
             element->appendFormData(*this, true);
     }
 }
 
 void DOMFormData::append(const String& name, const String& value)
 {
-    if (!name.isEmpty())
-        appendData(name, value);
+    appendData(name, value);
 }
 
 void DOMFormData::append(const String& name, Blob* blob, const String& filename)
 {
-    if (!name.isEmpty())
-        appendBlob(name, blob, filename);
+    appendBlob(name, blob, filename);
 }
 
 } // namespace blink