media: Rename CdmService to CdmRegistry

content/public/browser/cdm_registry.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_PUBLIC_BROWSER_CDM_SERVICE_H_
-#define CONTENT_PUBLIC_BROWSER_CDM_SERVICE_H_
+#ifndef CONTENT_PUBLIC_BROWSER_CDM_REGISTRY_H_
+#define CONTENT_PUBLIC_BROWSER_CDM_REGISTRY_H_
 
 #include <vector>
 
 #include "content/common/content_export.h"
 
 namespace content {
 
 struct CdmInfo;
 
 // Keeps track of the Content Decryption Modules that are available.
-class CONTENT_EXPORT CdmService {
+class CONTENT_EXPORT CdmRegistry {
  public:
-  // Returns the CdmService singleton.
-  static CdmService* GetInstance();
+  // Returns the CdmRegistry singleton.
+  static CdmRegistry* GetInstance();
 
-  virtual ~CdmService() {}
+  virtual ~CdmRegistry() {}
 
   // Must be called on the instance to finish initialization.
   virtual void Init() = 0;
 
   // Registers a CDM with the specified CDM information. The CDM will be
   // inserted at the head of the list so that it can override any older
   // registrations.
   // Note: Since only 1 version of the CDM can be loaded at any given time,
   // it is possible that there will be a mismatch between the functionality
   // reported and what is actually available, if the reported functionality
   // changes between versions. (http://crbug.com/599588)
   virtual void RegisterCdm(const CdmInfo& info) = 0;
 
   // Returns the list of all registered CDMs and the associated data.
   virtual const std::vector<CdmInfo>& GetAllRegisteredCdms() = 0;
 };
 
 }  // namespace content
 
-#endif  // CONTENT_PUBLIC_BROWSER_CDM_SERVICE_H_
+#endif  // CONTENT_PUBLIC_BROWSER_CDM_REGISTRY_H_