http://w3c.github.io/performance-timeline/#widl-Performance-getEntries-PerformanceEntryList-FilterOptions-filter
- extends getEntries to accept FilterOptions dictionary (name, entryType, initiatorType) - existing getEntriesBy* methods are now defined in terms of getEntries + FilterOptions For context, see: https://github.com/w3c/performance-timeline/pull/11. TL;DR: this update lays the foundation to allow filtering and grouping by arbitrary attributes - e.g. grouping Server Timing and Resource Timing records; grouping multi-fetch resources, and so on. Also, note that we've also clarified that getEntries does *not* need to return a copy of events: https://github.com/w3c/performance-timeline/issues/20 ig
