EME: Allow temporary sessions to be removed for ClearKey only.

media/cdm/ppapi/external_clear_key/clear_key_cdm.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_PPAPI_EXTERNAL_CLEAR_KEY_CLEAR_KEY_CDM_H_
 #define MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_CLEAR_KEY_CDM_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 82 matching lines @@
   void OnLoadSessionUpdated();
 
   // ContentDecryptionModule callbacks.
   void OnSessionMessage(const std::string& session_id,
                         ContentDecryptionModule::MessageType message_type,
                         const std::vector<uint8_t>& message);
   void OnSessionKeysChange(const std::string& session_id,
                            bool has_additional_usable_key,
                            CdmKeysInfo keys_info);
   void OnSessionClosed(const std::string& session_id);
+  void OnSessionExpirationUpdate(const std::string& session_id,
+                                 base::Time new_expiry_time);
 
   // Handle the success/failure of a promise. These methods are responsible for
   // calling |host_| to resolve or reject the promise.
   void OnSessionCreated(uint32_t promise_id, const std::string& session_id);
   void OnSessionLoaded(uint32_t promise_id, const std::string& session_id);
   void OnPromiseResolved(uint32_t promise_id);
   void OnPromiseFailed(uint32_t promise_id,
                        CdmPromise::Exception exception_code,
                        uint32_t system_code,
                        const std::string& error_message);
@@ skipping 105 matching lines @@
 
   bool is_running_output_protection_test_;
   bool is_running_platform_verification_test_;
 
   DISALLOW_COPY_AND_ASSIGN(ClearKeyCdm);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_CLEAR_KEY_CDM_H_