auto import from //depot/cupcake/@135843
diff --git a/pngusr.h b/pngusr.h
new file mode 100644
index 0000000..bd0d785
--- /dev/null
+++ b/pngusr.h
@@ -0,0 +1,4 @@
+#define PNG_USER_PRIVATEBUILD "Skia build; no MNG features"
+#define PNG_USER_DLLFNAME_POSTFIX "Sk"
+#define PNG_NO_MNG_FEATURES
+#define PNG_NO_READ_GAMMA