Added SkPDFStream::setData(SkData*) in preparation for move from SkStream to SkData

src/pdf/SkPDFStream.cpp

Index: src/pdf/SkPDFStream.cpp
diff --git a/src/pdf/SkPDFStream.cpp b/src/pdf/SkPDFStream.cpp
index a6b2ec8b8e3112a019944603d007b097c55f8d43..4ae1f39d26f18dc9783c5bcf1decb75c7a828b05 100644
--- a/src/pdf/SkPDFStream.cpp
+++ b/src/pdf/SkPDFStream.cpp
@@ -25,9 +25,7 @@ SkPDFStream::SkPDFStream(SkStream* stream)
 }
 
 SkPDFStream::SkPDFStream(SkData* data) : fState(kUnused_State) {
-    SkMemoryStream* stream = new SkMemoryStream;
-    stream->setData(data);
-    fData.reset(stream);  // Transfer ownership.
+    setData(data);
 }
 
 SkPDFStream::SkPDFStream(const SkPDFStream& pdfStream)
@@ -84,6 +82,12 @@ size_t SkPDFStream::getOutputSize(SkPDFCatalog* catalog, bool indirect) {
 
 SkPDFStream::SkPDFStream() : fState(kUnused_State) {}
 
+void SkPDFStream::setData(SkData* data) {
+    SkMemoryStream* stream = new SkMemoryStream;
+    stream->setData(data);
+    fData.reset(stream);  // Transfer ownership.
+}
+
 void SkPDFStream::setData(SkStream* stream) {
     fData.reset(stream);
     SkSafeRef(stream);