Add FPDF_GetSignatureCount() API
This is the first step towards exposing enough information about digital
signatures so that client code (not pdfium itself) can evaluate if they
are valid or not.
Change-Id: I9b913521bd700bfadd8ca02f5c6fe49f7b63e31e
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/70830
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/BUILD.gn b/BUILD.gn
index 5bcb9cb..8bfe0ca55 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -122,6 +122,7 @@
"public/fpdf_progressive.h",
"public/fpdf_save.h",
"public/fpdf_searchex.h",
+ "public/fpdf_signature.h",
"public/fpdf_structtree.h",
"public/fpdf_sysfontinfo.h",
"public/fpdf_text.h",
