Add CdmService to keep track of CDMs

content/common/media/cdm_info.cc

+// 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.
+
+#include "content/public/common/cdm_info.h"
+
+namespace content {
+
+CdmInfo::CdmInfo(const std::string& type,
+                 const base::Version& version,
+                 const base::FilePath& path,
+                 const std::vector<std::string>& supported_codecs)
+    : type(type),
+      version(version),
+      path(path),
+      supported_codecs(supported_codecs) {}
+
+CdmInfo::CdmInfo(const CdmInfo& other) = default;
+
+CdmInfo::~CdmInfo() {}
+
+}  // namespace content