message: Add event and structured chunk for image viewer
diff: @@ -50,7 +50,15 @@ public:
  DrawcallDescription &d = m_FrameRecord.drawcallList[0];
  d.drawcallId = 1;
  d.eventId = 1;
  - d.name = filename;
  + d.name = get_basename(filename);
  + APIEvent ev;
  + ev.eventId = 1;
  + d.events.push_back(ev);
  +
  + SDChunk *chunk = new SDChunk(d.name);
  + chunk->AddAndOwnChild(makeSDString("path"_lit, filename));
  +
  + m_File.chunks.push_back(chunk);
  RefreshFile();
  