[GN] Adding missing source type for extension .appex.
Match .appex to wrapper.app-extension
BUG=
Review-Url: https://codereview.chromium.org/2029073002
Cr-Original-Commit-Position: refs/heads/master@{#397247}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 4feb71fc34f559ae3bd16a5a9bbb70c492d1c5ac
diff --git a/tools/gn/xcode_object.cc b/tools/gn/xcode_object.cc
index 3e9dd2c..ab056b2 100644
--- a/tools/gn/xcode_object.cc
+++ b/tools/gn/xcode_object.cc
@@ -98,6 +98,7 @@
const SourceTypeForExt kSourceTypeForExt[] = {
{".a", "archive.ar"},
{".app", "wrapper.application"},
+ {".appex", "wrapper.app-extension"},
{".bdic", "file"},
{".bundle", "wrapper.cfbundle"},
{".c", "sourcecode.c.c"},
