diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index 16b9ac2..e60ca20 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -2271,6 +2271,13 @@
 
 #endif  // BUILDFLAG(ENABLE_DESKTOP_IN_PRODUCT_HELP)
 
+#if defined(WEBRTC_USE_PIPEWIRE)
+
+extern const char kWebrtcPipeWireCapturerName[];
+extern const char kWebrtcPipeWireCapturerDescription[];
+
+#endif  // #if defined(WEBRTC_USE_PIPEWIRE)
+
 // ============================================================================
 // Don't just add flags to the end, put them in the right section in
 // alphabetical order. See top instructions for more.