Encrypted Media: Use uint32 for systemCode in SessionError.

content/renderer/media/android/webmediaplayer_android.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_WEBMEDIAPLAYER_ANDROID_H_
 #define CONTENT_RENDERER_MEDIA_ANDROID_WEBMEDIAPLAYER_ANDROID_H_
 
 #include <jni.h>
 #include <string>
 #include <vector>
@@ skipping 202 matching lines @@
       const unsigned char* init_data,
       unsigned init_data_length,
       const blink::WebString& session_id);
   virtual MediaKeyException cancelKeyRequest(
       const blink::WebString& key_system,
       const blink::WebString& session_id);
 
   void OnKeyAdded(const std::string& session_id);
   void OnKeyError(const std::string& session_id,
                   media::MediaKeys::KeyError error_code,
-                  int system_code);
+                  uint32 system_code);
   void OnKeyMessage(const std::string& session_id,
                     const std::vector<uint8>& message,
                     const std::string& destination_url);
 
   void OnMediaSourceOpened(blink::WebMediaSource* web_media_source);
 
   void OnNeedKey(const std::string& type,
                  const std::vector<uint8>& init_data);
 
   // TODO(xhwang): Implement WebMediaPlayer::setContentDecryptionModule().
@@ skipping 210 matching lines @@
   scoped_ptr<ProxyDecryptor> proxy_decryptor_;
 
   base::WeakPtrFactory<WebMediaPlayerAndroid> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_ANDROID_WEBMEDIAPLAYER_ANDROID_H_