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

1 files changed, 2 insertions, 3 deletions

diff --git a/src/pdf/SkPDFDocument.cpp b/src/pdf/SkPDFDocument.cpp
index 95857c1846..dd68b5bb39 100644
--- a/src/pdf/SkPDFDocument.cpp
+++ b/src/pdf/SkPDFDocument.cpp
@@ -9,7 +9,6 @@
 #include "SkPDFCanvas.h"
 #include "SkPDFDevice.h"
 #include "SkPDFDocument.h"
-#include "SkPDFStream.h"
 #include "SkPDFUtils.h"
 #include "SkStream.h"
 
@@ -321,7 +320,7 @@ static sk_sp<SkData> SkSrgbIcm() {
 
 static sk_sp<SkPDFStream> make_srgb_color_profile() {
     sk_sp<SkPDFStream> stream = sk_make_sp<SkPDFStream>(SkSrgbIcm());
-    stream->insertInt("N", 3);
+    stream->dict()->insertInt("N", 3);
     sk_sp<SkPDFArray> array = sk_make_sp<SkPDFArray>();
     array->appendScalar(0.0f);
     array->appendScalar(1.0f);
@@ -329,7 +328,7 @@ static sk_sp<SkPDFStream> make_srgb_color_profile() {
     array->appendScalar(1.0f);
     array->appendScalar(0.0f);
     array->appendScalar(1.0f);
-    stream->insertObject("Range", std::move(array));
+    stream->dict()->insertObject("Range", std::move(array));
     return stream;
 }