Remove ENABLE(FILE_SYSTEM) compile-time flag.

Source/WebCore/Modules/filesystem/Metadata.h

 /*
  * 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef Metadata_h
 #define Metadata_h
 
-#if ENABLE(FILE_SYSTEM)
-
 #include "FileMetadata.h"
 #include <wtf/RefCounted.h>
 
 namespace WebCore {
 
 class Metadata : public RefCounted<Metadata> {
 public:
     static PassRefPtr<Metadata> create(const FileMetadata& platformMetadata)
     {
         return adoptRef(new Metadata(platformMetadata));
@@ skipping 12 matching lines @@
     explicit Metadata(const FileMetadata& platformMetadata)
         : m_platformMetadata(platformMetadata)
     {
     }
 
     FileMetadata m_platformMetadata;
 };
 
 } // namespace
 
-#endif // ENABLE(FILE_SYSTEM)
-
 #endif // Metadata_h