Fix compilation with SK_ENABLE_INST_COUNT=1

src/pdf/SkPDFFont.h

Index: src/pdf/SkPDFFont.h
diff --git a/src/pdf/SkPDFFont.h b/src/pdf/SkPDFFont.h
index f5d358f34a5a7ee0a2b1cff06d25f2bf57dcaa51..694c69ac39823e57120e75d50425cef1daf8e627 100644
--- a/src/pdf/SkPDFFont.h
+++ b/src/pdf/SkPDFFont.h
@@ -78,6 +78,7 @@ private:
     reference to each instantiated class.
 */
 class SkPDFFont : public SkPDFDict {
+    SK_DECLARE_INST_COUNT(SkPDFFont)
 public:
     virtual ~SkPDFFont();
 
@@ -198,6 +199,7 @@ private:
     // This should be made a hash table if performance is a problem.
     static SkTDArray<FontRec>& CanonicalFonts();
     static SkBaseMutex& CanonicalFontsMutex();
+    typedef SkPDFDict INHERITED;
 };
 
 #endif