SkPDF: Optionally output PDF/A-2b archive format.

src/pdf/SkPDFBitmap.cpp

Index: src/pdf/SkPDFBitmap.cpp
diff --git a/src/pdf/SkPDFBitmap.cpp b/src/pdf/SkPDFBitmap.cpp
index 1978040ec93309a4527912f55dea7d0ce5b32421..fa2cfab250c7e4065e1dbb5ee93e4569a9237ab7 100644
--- a/src/pdf/SkPDFBitmap.cpp
+++ b/src/pdf/SkPDFBitmap.cpp
@@ -366,17 +366,15 @@ class PDFDefaultBitmap : public SkPDFObject {
 public:
     void emitObject(SkWStream*  stream,
                     const SkPDFObjNumMap& objNumMap,
-                    const SkPDFSubstituteMap& substitutes) const override {
-        emit_image_xobject(stream, fImage, false, fSMask, objNumMap, substitutes);
+                    const SkPDFSubstituteMap& subs) const override {
+        emit_image_xobject(stream, fImage, false, fSMask, objNumMap, subs);
     }
     void addResources(SkPDFObjNumMap* catalog,
-                      const SkPDFSubstituteMap& substitutes) const override {
+                      const SkPDFSubstituteMap& subs) const override {
         if (fSMask.get()) {
-            SkPDFObject* obj = substitutes.getSubstitute(fSMask.get());
+            SkPDFObject* obj = subs.getSubstitute(fSMask.get());
             SkASSERT(obj);
-            if (catalog->addObject(obj)) {
-                obj->addResources(catalog, substitutes);
-            }
+            catalog->addObjectRecursively(obj, subs);
         }
     }
     PDFDefaultBitmap(const SkImage* image, SkPDFObject* smask)