Revert 105710 - Introduce RadioButtonGroup class to keep track of the group members and required st…

Source/WebCore/html/FileInputType.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 111 matching lines @@
         return true;
     }
 
     for (unsigned i = 0; i < numFiles; ++i)
         encoding.appendBlob(element()->name(), fileList->item(i));
     return true;
 }
 
 bool FileInputType::valueMissing(const String& value) const
 {
-    return element()->required() && value.isEmpty();
+    return value.isEmpty();
 }
 
 String FileInputType::valueMissingText() const
 {
     return element()->multiple() ? validationMessageValueMissingForMultipleFileText() : validationMessageValueMissingForFileText();
 }
 
 void FileInputType::handleDOMActivateEvent(Event* event)
 {
     if (element()->disabled() || !element()->renderer())
@@ skipping 239 matching lines @@
     StringBuilder names;
     for (size_t i = 0; i < listSize; ++i) {
         names.append(fileList->item(i)->fileName());
         if (i != listSize - 1)
             names.append('\n');
     }
     return names.toString();
 }
 
 } // namespace WebCore