Remove ENABLE(FILE_SYSTEM) compile-time flag.

Source/WebCore/fileapi/Blob.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 106 matching lines @@
         end = 0;
     } else if (end < start)
         end = start;
     else if (end > size)
         end = size;
 
     long long length = end - start;
     OwnPtr<BlobData> blobData = BlobData::create();
     blobData->setContentType(contentType);
     if (isFile()) {
-#if ENABLE(FILE_SYSTEM)
         if (!toFile(this)->fileSystemURL().isEmpty())
             blobData->appendURL(toFile(this)->fileSystemURL(), start, length, modificationTime);
         else
-#endif
-        blobData->appendFile(toFile(this)->path(), start, length, modificationTime);
+            blobData->appendFile(toFile(this)->path(), start, length, modificationTime);
     } else
         blobData->appendBlob(m_internalURL, start, length);
 
     return Blob::create(blobData.release(), length);
 }
 #endif
 
 } // namespace WebCore