Move MediaKeys::Exception to CdmPromise::Exception

media/mojo/interfaces/content_decryption_module.mojom

 // Copyright 2014 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.
 
 module media.mojom;
 
 import "media/mojo/interfaces/decryptor.mojom";
 import "url/mojo/url.mojom";
 
 // See media::EmeInitDataType.
 [Native]
 enum EmeInitDataType;
 
 // Transport layer of media::CdmConfig (see media/base/cdm_config.h).
 struct CdmConfig {
   bool allow_distinctive_identifier;
   bool allow_persistent_state;
   bool use_hw_secure_codecs;
 };
 
 // Transport layer of media::CdmPromise (see media/base/cdm_promise.h).
 // - When |success| is true, the promise is resolved and all other fields should
 //   be ignored.
 // - When |success| is false, the promise is rejected with |exception|,
 //   |system_code| and |error_message|.
 struct CdmPromiseResult {
-  // See media::MediaKeys::Exception
+  // See media::CdmPromise::Exception
   [Native]
   enum Exception;
 
   bool success;
   Exception exception;
   uint32 system_code;
   string error_message;
 };
 
 // Transport layer of media::CdmKeyInformation (see
@@ skipping 71 matching lines @@
 
   OnSessionClosed(string session_id);
 
   OnSessionKeysChange(string session_id, bool has_additional_usable_key,
                       array<CdmKeyInformation> keys_info);
 
   // Provide session expiration update for |session_id|.
   // |new_expiry_time_sec| is the number of seconds since epoch (Jan 1, 1970).
   OnSessionExpirationUpdate(string session_id, double new_expiry_time_sec);
 };