Add kAccessiblePDFForm feature flag in about:flags

Bug: 1030242
Change-Id: I1ec4145d993385ee06ac3718f9b80a8d88996ab0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2325528
Reviewed-by: Dominic Mazzoni <[email protected]>
Reviewed-by: Kevin Babbitt <[email protected]>
Commit-Queue: Ankit Kumar 🌪️ <[email protected]>
Cr-Commit-Position: refs/heads/master@{#795330}
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 935470f..e3537a91 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -34,6 +34,12 @@
     "Expose 'display: none' nodes that have an HTML ID to the browser process "
     "accessibility tree.";
 
+#if BUILDFLAG(ENABLE_PLUGINS)
+const char kAccessiblePDFFormName[] = "Accessible PDF Forms";
+const char kAccessiblePDFFormDescription[] =
+    "Enables accessibility support for PDF forms.";
+#endif  // BUILDFLAG(ENABLE_PLUGINS)
+
 const char kAccountIdMigrationName[] = "Account ID migration";
 const char kAccountIdMigrationDescription[] =
     "Migrate to use Gaia ID instead of the email as the account identifer for "