ScanningExtensionIdSet  348 chrome/browser/media_galleries/media_scan_manager.cc   ScanningExtensionIdSet* scanning_extensions;
ScanningExtensionIdSet  512 chrome/browser/media_galleries/media_scan_manager.cc     ScanningExtensionIdSet* scanning_extensions =
ScanningExtensionIdSet  514 chrome/browser/media_galleries/media_scan_manager.cc     for (ScanningExtensionIdSet::const_iterator extension_id_it =