Hide private IDL files from generator behind "--include_private" flag

ppapi/generators/idl_parser.py

Index: ppapi/generators/idl_parser.py
diff --git a/ppapi/generators/idl_parser.py b/ppapi/generators/idl_parser.py
index cae12f37d834701c12218f8efb600afe288113fd..0b309e23ea6a51b63e47681ea161669d1137b4ce 100644
--- a/ppapi/generators/idl_parser.py
+++ b/ppapi/generators/idl_parser.py
@@ -45,6 +45,7 @@ Option('parse_debug', 'Debug parse reduction steps.')
 Option('token_debug', 'Debug token generation.')
 Option('dump_tree', 'Dump the tree.')
 Option('srcroot', 'Working directory.', default=os.path.join('..', 'api'))
+Option('include_private', 'Include private IDL directory in default API paths.')
 
 #
 # ERROR_REMAP
@@ -1001,7 +1002,7 @@ def TestNamespaceFiles(filter):
     InfoOut.Log("Passed namespace test.")
   return errs
 
-default_dirs = ['.', 'trusted', 'dev', 'private']
+default_dirs = ['.', 'trusted', 'dev']
 def ParseFiles(filenames):
   parser = IDLParser()
   filenodes = []
@@ -1009,7 +1010,10 @@ def ParseFiles(filenames):
   if not filenames:
     filenames = []
     srcroot = GetOption('srcroot')
-    for dirname in default_dirs:
+    dirs = default_dirs
+    if GetOption('include_private'):
+      dirs += ['private']
+    for dirname in dirs:
       srcdir = os.path.join(srcroot, dirname, '*.idl')
       srcdir = os.path.normpath(srcdir)
       filenames += sorted(glob.glob(srcdir))
@@ -1047,4 +1051,3 @@ def Main(args):
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv[1:]))
-