PDF: why do we have flags no one uses (or can use)?

src/pdf/SkPDFDocument.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkPDFCatalog.h"
@@ skipping 29 matching lines @@
         SkPDFFont* subsetFont =
             entry->fFont->getFontSubset(entry->fGlyphSet);
         if (subsetFont) {
             catalog->setSubstitute(entry->fFont, subsetFont);
             substitutes->push(subsetFont);  // Transfer ownership to substitutes
         }
         entry = iterator.next();
     }
 }
 
-SkPDFDocument::SkPDFDocument(Flags flags)
+SkPDFDocument::SkPDFDocument()
         : fXRefFileOffset(0),
           fTrailerDict(NULL) {
-    fCatalog.reset(new SkPDFCatalog(flags));
+    fCatalog.reset(SkNEW(SkPDFCatalog));
     fDocCatalog = SkNEW_ARGS(SkPDFDict, ("Catalog"));
     fCatalog->addObject(fDocCatalog, true);
     fFirstPageResources = NULL;
     fOtherPageResources = NULL;
 }
 
 SkPDFDocument::~SkPDFDocument() {
     fPages.safeUnrefAll();
 
     // The page tree has both child and parent pointers, so it creates a
@@ skipping 238 matching lines @@
         fTrailerDict->insertInt("Size", int(objCount));
         fTrailerDict->insert("Root", new SkPDFObjRef(fDocCatalog))->unref();
     }
 
     stream->writeText("trailer\n");
     fTrailerDict->emitObject(stream, fCatalog.get());
     stream->writeText("\nstartxref\n");
     stream->writeBigDecAsText(fXRefFileOffset);
     stream->writeText("\n%%EOF");
 }