[Background Sync] Converting Blink code to the MVP API

Source/modules/modules.gypi

 {
   'includes': [
     '../core/core_generated.gypi',
     'modules_generated.gypi',
   ],
   'variables': {
     # Experimental hooks for embedder to provide extra IDL and source files.
     #
     # Note: this is not a supported API. If you rely on this, you will be broken
     # from time to time as the code generator changes in backward incompatible
     # ways.
     'extra_blink_module_idl_files': [],
     'extra_blink_module_files': [],
     # Files for which bindings (.cpp and .h files) will be generated
     'modules_idl_files': [
       '<@(extra_blink_module_idl_files)',
       'app_banner/BeforeInstallPromptEvent.idl',
+      'background_sync/PeriodicSyncEvent.idl',
+      'background_sync/PeriodicSyncManager.idl',
+      'background_sync/PeriodicSyncRegistration.idl',
       'background_sync/SyncEvent.idl',
       'background_sync/SyncManager.idl',
       'background_sync/SyncRegistration.idl',
       'battery/BatteryManager.idl',
       'bluetooth/Bluetooth.idl',
       'bluetooth/BluetoothDevice.idl',
       'bluetooth/BluetoothDiscovery.idl',
       'bluetooth/BluetoothGATTRemoteServer.idl',
       'cachestorage/Cache.idl',
       'cachestorage/CacheStorage.idl',
@@ skipping 268 matching lines @@
       'storage/WindowStorage.idl',
       'vibration/NavigatorVibration.idl',
       'vr/NavigatorVRDevice.idl',
       'webaudio/WindowWebAudio.idl',
       'webdatabase/WindowWebDatabase.idl',
       'webmidi/NavigatorWebMIDI.idl',
     ],
     # interfaces that inherit from Event
     'modules_event_idl_files': [
       'app_banner/BeforeInstallPromptEvent.idl',
+      'background_sync/PeriodicSyncEvent.idl',
       'background_sync/SyncEvent.idl',
       'device_light/DeviceLightEvent.idl',
       'device_orientation/DeviceMotionEvent.idl',
       'device_orientation/DeviceOrientationEvent.idl',
       'encryptedmedia/MediaEncryptedEvent.idl',
       'encryptedmedia/MediaKeyMessageEvent.idl',
       'gamepad/GamepadEvent.idl',
       'geofencing/GeofencingEvent.idl',
       'indexeddb/IDBVersionChangeEvent.idl',
       'mediastream/MediaStreamEvent.idl',
@@ skipping 13 matching lines @@
       'speech/SpeechSynthesisEvent.idl',
       'storage/StorageEvent.idl',
       'webaudio/AudioProcessingEvent.idl',
       'webaudio/OfflineAudioCompletionEvent.idl',
       'webmidi/MIDIConnectionEvent.idl',
       'webmidi/MIDIMessageEvent.idl',
       'websockets/CloseEvent.idl',
     ],
     'modules_dictionary_idl_files': [
       'app_banner/BeforeInstallPromptEventInit.idl',
+      'background_sync/PeriodicSyncEventInit.idl',
+      'background_sync/PeriodicSyncRegistrationOptions.idl',
       'background_sync/SyncEventInit.idl',
       'background_sync/SyncRegistrationOptions.idl',
       'cachestorage/CacheQueryOptions.idl',
       'device_light/DeviceLightEventInit.idl',
       'encoding/TextDecodeOptions.idl',
       'encoding/TextDecoderOptions.idl',
       'encryptedmedia/MediaEncryptedEventInit.idl',
       'encryptedmedia/MediaKeyMessageEventInit.idl',
       'encryptedmedia/MediaKeySystemConfiguration.idl',
       'encryptedmedia/MediaKeySystemMediaCapability.idl',
@@ skipping 36 matching lines @@
       '<(blink_modules_output_dir)/EventModulesNames.cpp',
       '<(blink_modules_output_dir)/EventModulesNames.h',
       '<(blink_modules_output_dir)/EventTargetModulesNames.cpp',
       '<(blink_modules_output_dir)/EventTargetModulesNames.h',
       '<(blink_modules_output_dir)/IndexedDBNames.cpp',
       '<(blink_modules_output_dir)/IndexedDBNames.h',
     ],
     'generated_modules_dictionary_files': [
       '<(blink_modules_output_dir)/app_banner/BeforeInstallPromptEventInit.cpp',
       '<(blink_modules_output_dir)/app_banner/BeforeInstallPromptEventInit.h',
+      '<(blink_modules_output_dir)/background_sync/PeriodicSyncEventInit.cpp',
+      '<(blink_modules_output_dir)/background_sync/PeriodicSyncEventInit.h',
+      '<(blink_modules_output_dir)/background_sync/PeriodicSyncRegistrationOptions.cpp',
+      '<(blink_modules_output_dir)/background_sync/PeriodicSyncRegistrationOptions.h',
       '<(blink_modules_output_dir)/background_sync/SyncEventInit.cpp',
       '<(blink_modules_output_dir)/background_sync/SyncEventInit.h',
       '<(blink_modules_output_dir)/background_sync/SyncRegistrationOptions.cpp',
       '<(blink_modules_output_dir)/background_sync/SyncRegistrationOptions.h',
       '<(blink_modules_output_dir)/cachestorage/CacheQueryOptions.cpp',
       '<(blink_modules_output_dir)/cachestorage/CacheQueryOptions.h',
       '<(blink_modules_output_dir)/device_light/DeviceLightEventInit.cpp',
       '<(blink_modules_output_dir)/device_light/DeviceLightEventInit.h',
       '<(blink_modules_output_dir)/encoding/TextDecodeOptions.cpp',
       '<(blink_modules_output_dir)/encoding/TextDecodeOptions.h',
@@ skipping 131 matching lines @@
       'accessibility/AXTableHeaderContainer.cpp',
       'accessibility/AXTableHeaderContainer.h',
       'accessibility/AXTableRow.cpp',
       'accessibility/AXTableRow.h',
       'accessibility/InspectorAccessibilityAgent.cpp',
       'accessibility/InspectorAccessibilityAgent.h',
       'app_banner/AppBannerController.cpp',
       'app_banner/AppBannerController.h',
       'app_banner/BeforeInstallPromptEvent.cpp',
       'app_banner/BeforeInstallPromptEvent.h',
+      'background_sync/PeriodicSyncEvent.cpp',
+      'background_sync/PeriodicSyncEvent.h',
+      'background_sync/PeriodicSyncManager.cpp',
+      'background_sync/PeriodicSyncManager.h',
+      'background_sync/PeriodicSyncRegistration.cpp',
+      'background_sync/PeriodicSyncRegistration.h',
       'background_sync/ServiceWorkerGlobalScopeSync.h',
       'background_sync/ServiceWorkerRegistrationSync.cpp',
       'background_sync/ServiceWorkerRegistrationSync.h',
       'background_sync/SyncCallbacks.cpp',
       'background_sync/SyncCallbacks.h',
       'background_sync/SyncError.cpp',
       'background_sync/SyncError.h',
       'background_sync/SyncEvent.cpp',
       'background_sync/SyncEvent.h',
       'background_sync/SyncManager.cpp',
@@ skipping 827 matching lines @@
       'filesystem/DOMFileSystemBaseTest.cpp',
       'indexeddb/IDBKeyPathTest.cpp',
       'indexeddb/IDBRequestTest.cpp',
       'indexeddb/IDBTransactionTest.cpp',
       'serviceworkers/ServiceWorkerContainerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }