SkPDF: Glyph validation change

src/pdf/SkPDFDevice.h

Index: src/pdf/SkPDFDevice.h
diff --git a/src/pdf/SkPDFDevice.h b/src/pdf/SkPDFDevice.h
index b9ef50151858e6f185c2ecdf944d19f51baa8006..79b272d9ac260f5c156b36c14196926a28090253 100644
--- a/src/pdf/SkPDFDevice.h
+++ b/src/pdf/SkPDFDevice.h
@@ -277,8 +277,11 @@ private:
     int addGraphicStateResource(SkPDFObject* gs);
     int addXObjectResource(SkPDFObject* xObject);
 
-    // returns false when a valid SkFont can not be produced
-    bool updateFont(const SkPaint& paint, uint16_t glyphID, ContentEntry* contentEntry);
+    // returns nullptr when a valid SkFont can not be produced
+    SkPDFFont* updateFont(SkTypeface* typeface,
+                          SkScalar textSize,
+                          uint16_t glyphID,
+                          ContentEntry* contentEntry);
     int getFontResourceIndex(SkTypeface* typeface, uint16_t glyphID);