[Background Sync] Converting Blink code to the MVP API

LayoutTests/webexposed/global-interface-listing-expected.txt

Index: LayoutTests/webexposed/global-interface-listing-expected.txt
diff --git a/LayoutTests/webexposed/global-interface-listing-expected.txt b/LayoutTests/webexposed/global-interface-listing-expected.txt
index 502503c54e76f88d260083e6964cc0cd4d91a0a7..2d735c2bc983bd468132b6a439b7a5fc2499628c 100644
--- a/LayoutTests/webexposed/global-interface-listing-expected.txt
+++ b/LayoutTests/webexposed/global-interface-listing-expected.txt
@@ -3619,6 +3619,20 @@ interface PerformanceTiming
     getter unloadEventEnd
     getter unloadEventStart
     method constructor
+interface PeriodicSyncManager
+    getter minPossiblePeriod
+    method constructor
+    method getRegistration
+    method getRegistrations
+    method permissionState
+    method register
+interface PeriodicSyncRegistration
+    getter minPeriod
+    getter networkState
+    getter powerState
+    getter tag
+    method constructor
+    method unregister
 interface PeriodicWave
     method constructor
 interface PermissionStatus
@@ -5092,9 +5106,10 @@ interface ServiceWorkerContainer
 interface ServiceWorkerRegistration
     getter geofencing
     getter onupdatefound
+    getter periodicSync
     getter pushManager
     getter scope
-    getter syncManager
+    getter sync
     method constructor
     method getNotifications
     method showNotification
@@ -5257,19 +5272,13 @@ interface Symbol
     method toString
     method valueOf
 interface SyncManager
-    getter minAllowablePeriod
     method constructor
     method getRegistration
     method getRegistrations
+    method permissionState
     method register
 interface SyncRegistration
-    getter allowOnBattery
-    getter id
-    getter idleRequired
-    getter maxDelay
-    getter minDelay
-    getter minPeriod
-    getter minRequiredNetwork
+    getter tag
     method constructor
     method unregister
 interface SyntaxError