From e7d24e56a77178a9fe0a13ee32e2a2ed785628b1 Mon Sep 17 00:00:00 2001
From: James Clarke <james@clarkezone.net>
Date: Sat, 6 Mar 2021 06:58:08 -0800
Subject: [PATCH 1/2] Add script to generate winrt headers using cppwinrt.exe

---
 build/win/generate_winrt_headers.py | 38 +++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 build/win/generate_winrt_headers.py

diff --git a/build/win/generate_winrt_headers.py b/build/win/generate_winrt_headers.py
new file mode 100644
index 0000000000..d47ef188ed
--- /dev/null
+++ b/build/win/generate_winrt_headers.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import os
+import sys
+
+def clean(output_dir):
+  if os.path.exists(output_dir):
+    os.remove(output_dir)
+  return
+
+
+def generate_headers(output_dir):
+  """Run cppwinrt.exe on the installed Windows SDK version and generate
+  cppwinrt headers in the output directory.
+  """
+  
+  cppwinrt_exe = os.path.join(
+  __file__,
+  '..\\..\\third_party\\cppwinrt\\bin\\cppwinrt.exe')
+
+  args = [cppwinrt_exe, '-in', 'sdk',
+      '-out', '%s' % output_dir]
+
+  return 0
+
+
+def main(argv):
+  generated_dir = os.path.join(
+  __file__,
+  '..\\..\\third_party\\cppwinrt\\generated')
+  clean(generated_dir)
+  return generate_headers("generated")
+
+if __name__ == "__main__":
+  sys.exit(main(sys.argv[1:]))

From 4a1ce72e6d139cd95d7effb236440bfb2639fd53 Mon Sep 17 00:00:00 2001
From: James Clarke <james@clarkezone.net>
Date: Wed, 10 Mar 2021 20:05:02 -0800
Subject: [PATCH 2/2] Fix script

---
 build/win/generate_winrt_headers.py | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/build/win/generate_winrt_headers.py b/build/win/generate_winrt_headers.py
index d47ef188ed..e2676b7a4a 100644
--- a/build/win/generate_winrt_headers.py
+++ b/build/win/generate_winrt_headers.py
@@ -4,11 +4,13 @@
 # found in the LICENSE file.
 
 import os
+import shutil
+import subprocess
 import sys
 
 def clean(output_dir):
   if os.path.exists(output_dir):
-    os.remove(output_dir)
+        shutil.rmtree(output_dir, ignore_errors=True)
   return
 
 
@@ -19,20 +21,22 @@ def generate_headers(output_dir):
   
   cppwinrt_exe = os.path.join(
   __file__,
-  '..\\..\\third_party\\cppwinrt\\bin\\cppwinrt.exe')
+  '..\\..\\..\\third_party\\cppwinrt\\bin\\cppwinrt.exe')
 
   args = [cppwinrt_exe, '-in', 'sdk',
       '-out', '%s' % output_dir]
 
+  subprocess.check_output(args)
+
   return 0
 
 
 def main(argv):
   generated_dir = os.path.join(
   __file__,
-  '..\\..\\third_party\\cppwinrt\\generated')
+  '..\\..\\..\\third_party\\cppwinrt\\generated')
   clean(generated_dir)
-  return generate_headers("generated")
+  return generate_headers(generated_dir)
 
 if __name__ == "__main__":
   sys.exit(main(sys.argv[1:]))