Add deprecated Performance API

features/performance-deprecated.yml

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+name: Deprecated Performance API
+description: The `PerformanceNavigation` and `PerformanceTiming` APIs are legacy interfaces kept for backwards compatibility and contain properties that offer performance timing information for events which occur during the loading and use of the current page.
+spec: https://w3c.github.io/navigation-timing/#obsolete
+group: performance
+discouraged:
+  according_to:
+    - https://w3c.github.io/navigation-timing/#obsolete
+  alternatives:
+    - performance
+    - navigation-timing
+compat_features:
+  - api.Performance.navigation
+  - api.Performance.timing
+  - api.PerformanceNavigation
+  - api.PerformanceNavigation.redirectCount
+  - api.PerformanceNavigation.toJSON
+  - api.PerformanceNavigation.type
+  - api.PerformanceTiming
+  - api.PerformanceTiming.connectEnd
+  - api.PerformanceTiming.connectStart
+  - api.PerformanceTiming.domComplete
+  - api.PerformanceTiming.domContentLoadedEventEnd
+  - api.PerformanceTiming.domContentLoadedEventStart
+  - api.PerformanceTiming.domInteractive
+  - api.PerformanceTiming.domLoading
+  - api.PerformanceTiming.domainLookupEnd
+  - api.PerformanceTiming.domainLookupStart
+  - api.PerformanceTiming.fetchStart
+  - api.PerformanceTiming.loadEventEnd
+  - api.PerformanceTiming.loadEventStart
+  - api.PerformanceTiming.navigationStart
+  - api.PerformanceTiming.redirectEnd
+  - api.PerformanceTiming.redirectStart
+  - api.PerformanceTiming.requestStart
+  - api.PerformanceTiming.responseEnd
+  - api.PerformanceTiming.responseStart
+  - api.PerformanceTiming.secureConnectionStart
+  - api.PerformanceTiming.toJSON
+  - api.PerformanceTiming.unloadEventEnd
+  - api.PerformanceTiming.unloadEventStart

features/performance-deprecated.yml.dist

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+# Generated from: performance-deprecated.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "56"
+    chrome_android: "56"
+    edge: "18"
+    firefox: "56"
+    firefox_android: "56"
+    safari: "14.1"
+    safari_ios: "14.5"
+compat_features:
+  # baseline: false
+  # support:
+  #   chrome: "6"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "7"
+  #   firefox_android: "7"
+  #   safari: "8"
+  #   safari_ios: "9"
+  - api.Performance.timing
+  - api.PerformanceTiming
+  - api.PerformanceTiming.connectEnd
+  - api.PerformanceTiming.connectStart
+  - api.PerformanceTiming.domComplete
+  - api.PerformanceTiming.domContentLoadedEventEnd
+  - api.PerformanceTiming.domContentLoadedEventStart
+  - api.PerformanceTiming.domInteractive
+  - api.PerformanceTiming.domLoading
+  - api.PerformanceTiming.domainLookupEnd
+  - api.PerformanceTiming.domainLookupStart
+  - api.PerformanceTiming.fetchStart
+  - api.PerformanceTiming.loadEventEnd
+  - api.PerformanceTiming.loadEventStart
+  - api.PerformanceTiming.navigationStart
+  - api.PerformanceTiming.redirectEnd
+  - api.PerformanceTiming.redirectStart
+  - api.PerformanceTiming.requestStart
+  - api.PerformanceTiming.responseEnd
+  - api.PerformanceTiming.responseStart
+  - api.PerformanceTiming.unloadEventEnd
+  - api.PerformanceTiming.unloadEventStart
+
+  # baseline: false
+  # support:
+  #   chrome: "6"
+  #   chrome_android: "18"
+  #   edge: "18"
+  #   firefox: "56"
+  #   firefox_android: "56"
+  #   safari: "8"
+  #   safari_ios: "9"
+  - api.PerformanceTiming.secureConnectionStart
+
+  # baseline: false
+  # support:
+  #   chrome: "10"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "7"
+  #   firefox_android: "7"
+  #   safari: "8"
+  #   safari_ios: "9"
+  - api.Performance.navigation
+  - api.PerformanceNavigation
+  - api.PerformanceNavigation.redirectCount
+  - api.PerformanceNavigation.type
+
+  # baseline: false
+  # support:
+  #   chrome: "44"
+  #   chrome_android: "44"
+  #   edge: "12"
+  #   firefox: "25"
+  #   firefox_android: "25"
+  #   safari: "10.1"
+  #   safari_ios: "10.3"
+  - api.PerformanceTiming.toJSON
+
+  # baseline: false
+  # support:
+  #   chrome: "56"
+  #   chrome_android: "56"
+  #   edge: "12"
+  #   firefox: "25"
+  #   firefox_android: "25"
+  #   safari: "14.1"
+  #   safari_ios: "14.5"
+  - api.PerformanceNavigation.toJSON