SkPDF: PDFStream has-a not is-a PDFDict
Motivation:
SkPDFStream and SkPDFSharedStream now work the same.
Also:
- move SkPDFStream into SkPDFTypes (it's a fundamental PDF type).
- minor refactor of SkPDFSharedStream
- SkPDFSharedStream takes unique_ptr to represent ownership
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2190883003
Review-Url: https://codereview.chromium.org/2190883003
diff --git a/src/pdf/SkPDFFormXObject.h b/src/pdf/SkPDFFormXObject.h
index c5e2505..e62b69c 100644
--- a/src/pdf/SkPDFFormXObject.h
+++ b/src/pdf/SkPDFFormXObject.h
@@ -9,8 +9,8 @@
#ifndef SkPDFFormXObject_DEFINED
#define SkPDFFormXObject_DEFINED
-#include "SkPDFStream.h"
#include "SkPDFDevice.h"
+#include "SkPDFTypes.h"
/** A form XObject is a self contained description of a graphics
object. A form XObject is a page object with slightly different