media: Add DefaultMediaPermission.

media/cdm/proxy_decryptor.h

 // Copyright 2013 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 MEDIA_CDM_PROXY_DECRYPTOR_H_
 #define MEDIA_CDM_PROXY_DECRYPTOR_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "media/base/decryptor.h"
 #include "media/base/media_export.h"
 #include "media/base/media_keys.h"
 
 class GURL;
 
 namespace media {
 
 class CdmFactory;
+class MediaPermission;
 
 // ProxyDecryptor is for EME v0.1b only. It should not be used for the WD API.
 // A decryptor proxy that creates a real decryptor object on demand and
 // forwards decryptor calls to it.
 //
 // TODO(xhwang): Currently we don't support run-time switching among decryptor
 // objects. Fix this when needed.
 // TODO(xhwang): The ProxyDecryptor is not a Decryptor. Find a better name!
 class MEDIA_EXPORT ProxyDecryptor {
  public:
   // These are similar to the callbacks in media_keys.h, but pass back the
   // session ID rather than the internal session ID.
   typedef base::Callback<void(const std::string& session_id)> KeyAddedCB;
   typedef base::Callback<void(const std::string& session_id,
                               MediaKeys::KeyError error_code,
                               uint32 system_code)> KeyErrorCB;
   typedef base::Callback<void(const std::string& session_id,
                               const std::vector<uint8>& message,
                               const GURL& destination_url)> KeyMessageCB;
 
-  ProxyDecryptor(const KeyAddedCB& key_added_cb,
+  ProxyDecryptor(MediaPermission* media_permission,
+                 const KeyAddedCB& key_added_cb,
                  const KeyErrorCB& key_error_cb,
                  const KeyMessageCB& key_message_cb);
   virtual ~ProxyDecryptor();
 
   // Returns the CdmContext associated with this object.
   CdmContext* GetCdmContext();
 
   // Only call this once.
   bool InitializeCDM(CdmFactory* cdm_factory,
                      const std::string& key_system,
@@ skipping 57 matching lines @@
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<ProxyDecryptor> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyDecryptor);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CDM_PROXY_DECRYPTOR_H_