diff -r 000000000000 -r 6474c204b198 media/webrtc/trunk/build/java_aidl.gypi
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/webrtc/trunk/build/java_aidl.gypi	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+# 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.
+
+# This file is meant to be included into a target to provide a rule
+# to build Java aidl files in a consistent manner.
+#
+# To use this, create a gyp target with the following form:
+# {
+#   'target_name': 'aidl_aidl-file-name',
+#   'type': 'none',
+#   'variables': {
+#     'package_name': <name-of-package>
+#     'aidl_interface_file': '<interface-path>/<interface-file>.aidl',
+#   },
+#   'sources': {
+#     '<input-path1>/<input-file1>.aidl',
+#     '<input-path2>/<input-file2>.aidl',
+#     ...
+#   },
+#   'includes': ['<path-to-this-file>/java_aidl.gypi'],
+# }
+#
+#
+# The generated java files will be:
+#   <(PRODUCT_DIR)/lib.java/<input-file1>.java
+#   <(PRODUCT_DIR)/lib.java/<input-file2>.java
+#   ...
+#
+# TODO(cjhopman): dependents need to rebuild when this target's inputs have changed.
+
+{
+  'direct_dependent_settings': {
+    'variables': {
+      'generated_src_dirs': ['<(SHARED_INTERMEDIATE_DIR)/<(package_name)/aidl/'],
+    },
+  },
+  'rules': [
+    {
+      'rule_name': 'compile_aidl',
+      'extension': 'aidl',
+      'inputs': [
+        '<(android_sdk)/framework.aidl',
+        '<(aidl_interface_file)',
+      ],
+      'outputs': [
+        '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/aidl/<(RULE_INPUT_ROOT).java',
+      ],
+      'action': [
+        '<(android_sdk_tools)/aidl',
+        '-p<(android_sdk)/framework.aidl',
+        '-p<(aidl_interface_file)',
+        '<(RULE_INPUT_PATH)',
+        '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/aidl/<(RULE_INPUT_ROOT).java',
+      ],
+    },
+  ],
+}