Allow comments in extension config files.

tools/json_schema_compiler/json_schema.py

+# Copyright (c) 2012 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 json
+import os.path
+import sys
+
+# We need to get json_minify from the third_party directory.
+# This is similar to what is done in chrome/common/extensions/docs/build.py
+third_party_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),
+                                os.pardir, os.pardir, 'third_party/')
+if third_party_path not in sys.path:
+  sys.path.insert(0, third_party_path)
+import json_minify as minify
+
+def LoadJSON(filename):
+  with open(filename, 'r') as handle:
+    return json.loads(minify.json_minify(handle.read()))