Pass key_information on SessionKeysChange message

media/base/cdm_key_information.cc

Index: media/base/cdm_key_information.cc
diff --git a/media/base/cdm_key_information.cc b/media/base/cdm_key_information.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ebaf8b135ca8fb0184940919b2d7caa3d467fa85
--- /dev/null
+++ b/media/base/cdm_key_information.cc
@@ -0,0 +1,16 @@
+// Copyright 2015 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.
+
+#include "media/base/cdm_key_information.h"
+
+namespace media {
+
+CdmKeyInformation::CdmKeyInformation()
+    : status(INTERNAL_ERROR), system_code(0) {
+}
+
+CdmKeyInformation::~CdmKeyInformation() {
+}
+
+}  // namespace media