IDCallback         66 chrome/browser/renderer_host/pepper/device_id_fetcher.cc bool DeviceIDFetcher::Start(const IDCallback& callback) {
IDCallback         40 chrome/browser/renderer_host/pepper/device_id_fetcher.h   bool Start(const IDCallback& callback);
IDCallback         72 chrome/browser/renderer_host/pepper/device_id_fetcher.h   IDCallback callback_;