SkPDF: SkPDFStream takes only SkStreamAsset

src/pdf/SkPDFStream.h

Index: src/pdf/SkPDFStream.h
diff --git a/src/pdf/SkPDFStream.h b/src/pdf/SkPDFStream.h
index cf8cda543be9d09e247f64e8b57478f71365eda7..9e4b71dcbf7d1eb9653e2b791f19a7e24187379e 100644
--- a/src/pdf/SkPDFStream.h
+++ b/src/pdf/SkPDFStream.h
@@ -34,7 +34,7 @@ public:
      *  stream dictionary.
      *  @param stream The data part of the stream.  Will not take ownership.
      */
-    explicit SkPDFStream(SkStream* stream) { this->setData(stream); }
+    explicit SkPDFStream(SkStreamAsset* stream) { this->setData(stream); }
 
     virtual ~SkPDFStream();
 
@@ -51,14 +51,14 @@ protected:
     SkPDFStream() {}
 
     /** Only call this function once. */
-    void setData(SkStream* stream);
+    void setData(SkStreamAsset* stream);
     void setData(SkData* data) {
         SkMemoryStream memoryStream(data);
         this->setData(&memoryStream);
     }
 
 private:
-    std::unique_ptr<SkStreamRewindable> fCompressedData;
+    std::unique_ptr<SkStreamAsset> fCompressedData;
 
     typedef SkPDFDict INHERITED;
 };