media: Rename CdmService to CdmRegistry

content/browser/media/cdm_registry_impl.h

+// 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_BROWSER_MEDIA_CDM_REGISTRY_IMPL_H_
+#define CONTENT_BROWSER_MEDIA_CDM_REGISTRY_IMPL_H_
+
+#include <vector>
+
+#include "base/lazy_instance.h"
+#include "base/macros.h"
+#include "content/common/content_export.h"
+#include "content/public/browser/cdm_registry.h"
+
+namespace content {
+
+struct CdmInfo;
+
+class CONTENT_EXPORT CdmRegistryImpl : NON_EXPORTED_BASE(public CdmRegistry) {
+ public:
+  // Returns the CdmRegistryImpl singleton.
+  static CdmRegistryImpl* GetInstance();
+
+  // CdmRegistry implementation.
+  void Init() override;
+  void RegisterCdm(const CdmInfo& info) override;
+  const std::vector<CdmInfo>& GetAllRegisteredCdms() override;
+
+ private:
+  friend struct base::DefaultLazyInstanceTraits<CdmRegistryImpl>;
+  friend class CdmRegistryImplTest;
+
+  CdmRegistryImpl();
+  ~CdmRegistryImpl() override;
+
+  std::vector<CdmInfo> cdms_;
+
+  DISALLOW_COPY_AND_ASSIGN(CdmRegistryImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_MEDIA_CDM_REGISTRY_IMPL_H_