Add booleans for form flags in CPDF_FormField.

Add constants/form_flags.h as well.

Change-Id: If15deff6bafdf394ed975b767128d65b5d2eb0e9
Reviewed-on: https://pdfium-review.googlesource.com/c/43533
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 062cfdcef4..da23f0b442 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -295,6 +295,7 @@ visibility = [
 
 source_set("constants") {
   sources = [
+    "constants/form_flags.h",
     "constants/page_object.h",
     "constants/stream_dict_common.h",
     "constants/transparency.h",