Encrypted Media: Use uint32 for systemCode in SessionError.

media/base/android/media_source_player_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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "media/base/android/media_codec_bridge.h"
@@ skipping 70 matching lines @@
                                 const std::string& web_session_id) OVERRIDE {}
   virtual void OnSessionMessage(int cdm_id,
                                 uint32 session_id,
                                 const std::vector<uint8>& message,
                                 const GURL& destination_url) OVERRIDE {}
   virtual void OnSessionReady(int cdm_id, uint32 session_id) OVERRIDE {}
   virtual void OnSessionClosed(int cdm_id, uint32 session_id) OVERRIDE {}
   virtual void OnSessionError(int cdm_id,
                               uint32 session_id,
                               media::MediaKeys::KeyError error_code,
-                              int system_code) OVERRIDE {}
+                              uint32 system_code) OVERRIDE {}
 
   bool playback_completed() const {
     return playback_completed_;
   }
 
  private:
   base::MessageLoop* message_loop_;
   bool playback_completed_;
 
   DISALLOW_COPY_AND_ASSIGN(MockMediaPlayerManager);
@@ skipping 1991 matching lines @@
 
   std::vector<std::string> codec_avc(1, "avc1");
   EXPECT_FALSE(IsTypeSupported(invalid_uuid, kL3, kVideoMp4, codec_avc));
   EXPECT_FALSE(IsTypeSupported(invalid_uuid, kL1, kVideoMp4, codec_avc));
 }
 
 // TODO(xhwang): Are these IsTypeSupported tests device specific?
 // TODO(xhwang): Add more IsTypeSupported tests.
 
 }  // namespace media