SkPDF SkPDFObject::addResources signature simplified

src/pdf/SkPDFBitmap.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkColorPriv.h"
 #include "SkFlate.h"
 #include "SkPDFBitmap.h"
@@ skipping 268 matching lines @@
     pdfDict.insertName("ColorSpace", "DeviceGray");
     pdfDict.insertInt("BitsPerComponent", 8);
     pdfDict.insertName("Filter", "FlateDecode");
     pdfDict.insertInt("Length", length);
     pdfDict.emitObject(stream, catalog);
 }
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 
-void SkPDFBitmap::addResources(SkTSet<SkPDFObject*>* resourceSet,
-                               SkPDFCatalog* catalog) const {
+void SkPDFBitmap::addResources(SkPDFCatalog* catalog) const {
     if (fSMask.get()) {
-        if (resourceSet->add(fSMask.get())) {
-            fSMask->addResources(resourceSet, catalog);
+        if (catalog->addObject(fSMask.get())) {
+            fSMask->addResources(catalog);
         }
     }
 }
 
 void SkPDFBitmap::emitObject(SkWStream* stream, SkPDFCatalog* catalog) {
     SkAutoLockPixels autoLockPixels(fBitmap);
     SkASSERT(fBitmap.colorType() != kIndex_8_SkColorType ||
              fBitmap.getColorTable());
 
     // Write to a temporary buffer to get the compressed length.
@@ skipping 96 matching lines @@
         return SkRef(canonBitmap);
     }
     SkPDFObject* smask = NULL;
     if (!bm.isOpaque() && !SkBitmap::ComputeIsOpaque(bm)) {
         smask = SkNEW_ARGS(PDFAlphaBitmap, (bm));
     }
     SkPDFBitmap* pdfBitmap = SkNEW_ARGS(SkPDFBitmap, (bm, smask));
     canon->addBitmap(pdfBitmap);
     return pdfBitmap;
 }