AddUpdateCallback   43 content/browser/media/media_internals.h   void AddUpdateCallback(const UpdateCallback& callback);
AddUpdateCallback  122 content/browser/media/media_internals_proxy.cc   MediaInternals::GetInstance()->AddUpdateCallback(update_callback_);
AddUpdateCallback   41 content/browser/media/media_internals_unittest.cc     media_internals_->AddUpdateCallback(update_cb_);