Add create_bundle support for GN

Docs-Preview: https://skia.org/?cl=75383
Bug: skia:7339
Change-Id: I985734e8b7b5af21a82cb8ee59acbfb5ff1d3ff7
Reviewed-on: https://skia-review.googlesource.com/75383
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
diff --git a/gn/gen_plist_ios.py b/gn/gen_plist_ios.py
new file mode 100644
index 0000000..e4041be
--- /dev/null
+++ b/gn/gen_plist_ios.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python2.7
+#
+# Copyright 2017 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import os
+import sys
+
+# Arguments to the script:
+#  app              path to binary to package, e.g. out/Debug/gen/dm
+app, = sys.argv[1:]
+
+out, app = os.path.split(app)
+
+# Write a minimal Info.plist to name the package and point at the binary.
+with open(os.path.join(out, app + '_Info.plist'), 'w') as f:
+  f.write('''
+<plist version="1.0">
+  <dict>
+    <key>CFBundleVersion</key> <string>0.1.0</string>
+    <key>CFBundleShortVersionString</key> <string>0.1.0</string>
+    <key>CFBundleExecutable</key> <string>{app}</string>
+    <key>CFBundleIdentifier</key> <string>com.google.{app}</string>
+    <key>CFBundlePackageType</key> <string>APPL</string>
+  </dict>
+</plist>
+'''.format(app=app))