Encrypted Media: Use uint32 for systemCode in SessionError.

media/cdm/aes_decryptor_unittest.cc

 // 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.
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "media/base/decoder_buffer.h"
@@ skipping 314 matching lines @@
 
   MOCK_METHOD2(OnSessionCreated,
                void(uint32 session_id, const std::string& web_session_id));
   MOCK_METHOD3(OnSessionMessage,
                void(uint32 session_id,
                     const std::vector<uint8>& message,
                     const std::string& default_url));
   MOCK_METHOD1(OnSessionReady, void(uint32 session_id));
   MOCK_METHOD1(OnSessionClosed, void(uint32 session_id));
   MOCK_METHOD3(OnSessionError,
-               void(uint32 session_id, MediaKeys::KeyError, int system_code));
+               void(uint32 session_id,
+                    MediaKeys::KeyError,
+                    uint32 system_code));
 
   AesDecryptor decryptor_;
   AesDecryptor::DecryptCB decrypt_cb_;
 
   // Constants for testing.
   const std::vector<uint8> original_data_;
   const std::vector<uint8> encrypted_data_;
   const std::vector<uint8> subsample_encrypted_data_;
   const std::vector<uint8> key_id_;
   const std::vector<uint8> iv_;
@@ skipping 406 matching lines @@
       "      \"kid\": \"\","
       "      \"k\": \"BAUGBwgJCgsMDQ4PEBESEw\""
       "    }"
       "  ]"
       "}";
   UpdateSessionAndExpect(session_id, kJwksWithEmptyKeyId, SESSION_ERROR);
   ReleaseSession(session_id);
 }
 
 }  // namespace media