Encrypted Media: Use uint32 for systemCode in SessionError.

content/renderer/media/android/renderer_media_player_manager.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 CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_MEDIA_PLAYER_MANAGER_H_
 #define CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_MEDIA_PLAYER_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 157 matching lines @@
                         const std::string& web_session_id);
   void OnSessionMessage(int cdm_id,
                         uint32 session_id,
                         const std::vector<uint8>& message,
                         const GURL& destination_url);
   void OnSessionReady(int cdm_id, uint32 session_id);
   void OnSessionClosed(int cdm_id, uint32 session_id);
   void OnSessionError(int cdm_id,
                       uint32 session_id,
                       media::MediaKeys::KeyError error_code,
-                      int system_code);
+                      uint32 system_code);
 
   // Info for all available WebMediaPlayerAndroid on a page; kept so that
   // we can enumerate them to send updates about tab focus and visibility.
   std::map<int, WebMediaPlayerAndroid*> media_players_;
 
   // Info for all available ProxyMediaKeys. There must be at most one
   // ProxyMediaKeys for each available WebMediaPlayerAndroid.
   std::map<int, ProxyMediaKeys*> media_keys_;
 
   int next_media_player_id_;
 
   // WebFrame of the fullscreen video.
   blink::WebFrame* fullscreen_frame_;
 
   // WebFrame of pending fullscreen request.
   blink::WebFrame* pending_fullscreen_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererMediaPlayerManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_MEDIA_PLAYER_MANAGER_H_