Add CdmService to keep track of CDMs

content/public/common/content_decryption_module_registration.h

Index: content/public/common/content_decryption_module_registration.h
diff --git a/content/public/common/content_decryption_module_registration.h b/content/public/common/content_decryption_module_registration.h
new file mode 100644
index 0000000000000000000000000000000000000000..04419fc789e74a778147b8bbdb571515bc61f511
--- /dev/null
+++ b/content/public/common/content_decryption_module_registration.h
@@ -0,0 +1,46 @@
+// Copyright 2016 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.
+
+#ifndef CONTENT_PUBLIC_COMMON_CONTENT_DECRYPTION_MODULE_REGISTRATION_H_
+#define CONTENT_PUBLIC_COMMON_CONTENT_DECRYPTION_MODULE_REGISTRATION_H_
+
+#include <string>
+#include <vector>
+
+#include "base/files/file_path.h"
+#include "base/strings/string16.h"
+#include "content/common/content_export.h"
+
+namespace content {
+
+// Collects information about Content Decryption Modules.
+struct CONTENT_EXPORT ContentDecryptionModuleRegistration {
+  // Name of the Key System.
+  std::string key_system;
+
+  // Version of the CDM.
+  std::string version;
+
+  // Path to the library implementing the CDM. May be empty() if the
+  // CDM is already included as part of the system.
+  base::FilePath module_library_path;
+
+  // List of codecs supported by the CDM.
+  std::vector<base::string16> supported_codecs;
+
+  // List of init_data_types supported by the CDM.
+  std::vector<base::string16> supported_init_data_types;
+
+  ContentDecryptionModuleRegistration(
+      const std::string& key_system,
+      const std::string& version,
+      const base::FilePath& module_library_path,
+      const std::vector<base::string16>& supported_codecs,
+      const std::vector<base::string16>& supported_init_data_types);
+  ~ContentDecryptionModuleRegistration();
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_CONTENT_DECRYPTION_MODULE_REGISTRATION_H_