Fix WebRTC API framework build.

webrtc/build/ios/flatten_ios_headers.py

Index: webrtc/build/ios/flatten_ios_headers.py
diff --git a/webrtc/build/ios/flatten_ios_headers.py b/webrtc/build/ios/flatten_ios_headers.py
new file mode 100755
index 0000000000000000000000000000000000000000..ae58fc80ba328fc7c5deb0887ee73decb1296713
--- /dev/null
+++ b/webrtc/build/ios/flatten_ios_headers.py
@@ -0,0 +1,49 @@
+#!/usr/bin/python
+
+#  Copyright 2016 The WebRTC project authors. All Rights Reserved.
+#
+#  Use of this source code is governed by a BSD-style license
+#  that can be found in the LICENSE file in the root of the source
+#  tree. An additional intellectual property rights grant can be found
+#  in the file PATENTS.  All contributing project authors may
+#  be found in the AUTHORS file in the root of the source tree.
+
+"""Script for flattening iOS header structure."""
+
+import sys
+
+import argparse
+import os
+import shutil
+
+
+def FlattenHeaders(input_dir, output_dir):
+  """Flattens iOS header file directory structure."""
+  # Create output directories.
+  if not os.path.exists(output_dir):
+    os.mkdir(output_dir)
+
+  for dirpath, _, filenames in os.walk(input_dir):
+    for filename in filenames:
+      current_path = os.path.join(dirpath, filename)
+      new_path = os.path.join(output_dir, filename)
+      shutil.copy(current_path, new_path)
+
+
+def Main():
+  parser_description = 'Flatten WebRTC ObjC API headers.'
+  parser = argparse.ArgumentParser(description=parser_description)
+  parser.add_argument('input_dir',
+                      help='Output directory to write headers to.',
+                      type=str)
+  parser.add_argument('output_dir',
+                      help='Input directory to read headers from.',
+                      type=str)
+  args = parser.parse_args()
+  input_dir = args.input_dir
+  output_dir = args.output_dir
+  FlattenHeaders(input_dir, output_dir)
+
+
+if __name__ == '__main__':
+  sys.exit(Main())