SkPDF: in-place font subsetting

bench/PDFBench.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Benchmark.h"
 #include "Resources.h"
 #include "SkAutoPixmapStorage.h"
@@ skipping 12 matching lines @@
 struct NullWStream : public SkWStream {
     NullWStream() : fN(0) {}
     bool write(const void*, size_t n) override { fN += n; return true; }
     size_t bytesWritten() const override { return fN; }
     size_t fN;
 };
 
 static void test_pdf_object_serialization(const sk_sp<SkPDFObject> object) {
     // SkDebugWStream wStream;
     NullWStream wStream;
-    SkPDFSubstituteMap substitutes;
     SkPDFObjNumMap objNumMap;
-    objNumMap.addObjectRecursively(object.get(), substitutes);
+    objNumMap.addObjectRecursively(object.get());
     for (int i = 0; i < objNumMap.objects().count(); ++i) {
         SkPDFObject* object = objNumMap.objects()[i].get();
         wStream.writeDecAsText(i + 1);
         wStream.writeText(" 0 obj\n");
-        object->emitObject(&wStream, objNumMap, substitutes);
+        object->emitObject(&wStream, objNumMap);
         wStream.writeText("\nendobj\n");
     }
 }
 
 class PDFImageBench : public Benchmark {
 public:
     PDFImageBench() {}
     virtual ~PDFImageBench() {}
 
 protected:
@@ skipping 194 matching lines @@
 
 }  // namespace
 DEF_BENCH(return new PDFImageBench;)
 DEF_BENCH(return new PDFJpegImageBench;)
 DEF_BENCH(return new PDFCompressionBench;)
 DEF_BENCH(return new PDFScalarBench;)
 DEF_BENCH(return new PDFColorComponentBench;)
 DEF_BENCH(return new PDFShaderBench;)
 DEF_BENCH(return new WStreamWriteTextBenchmark;)
 DEF_BENCH(return new WritePDFTextBenchmark;)