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..39ccd97fc5d45ceea9179873b4dbca9697c5ebb5
--- /dev/null
+++ b/media/base/cdm_key_information.cc
@@ -0,0 +1,29 @@
+// 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(const std::string& key_id,
+                                     KeyStatus status,
+                                     uint32 system_code)
+    : key_id_(key_id.begin(), key_id.end()),
+      status_(status),
+      system_code_(system_code) {
+}
+
+CdmKeyInformation::CdmKeyInformation(const uint8* key_id_data,
+                                     uint32 key_id_length,
+                                     KeyStatus status,
+                                     uint32 system_code)
+    : status_(status), system_code_(system_code) {
+  if (key_id_length > 0)
+    key_id_.assign(key_id_data, key_id_data + key_id_length);
+}
+
+CdmKeyInformation::~CdmKeyInformation() {
+}
+
+}  // namespace media