LoadingStateChangedCallback 158 content/renderer/media/buffered_data_source.cc base::Bind(&BufferedDataSource::LoadingStateChangedCallback, weak_this), LoadingStateChangedCallback 443 content/renderer/media/buffered_data_source.cc base::Bind(&BufferedDataSource::LoadingStateChangedCallback, LoadingStateChangedCallback 131 content/renderer/media/buffered_data_source.h void LoadingStateChangedCallback(BufferedResourceLoader::LoadingState state);