Use event init dictionaries in modules/{notifications,push_messaging,serviceworkers}

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
@@ skipping 288 matching lines @@
       'encoding/TextDecodeOptions.idl',
       'encoding/TextDecoderOptions.idl',
       'encryptedmedia/MediaKeySystemConfiguration.idl',
       'encryptedmedia/MediaKeySystemMediaCapability.idl',
       'filesystem/FileSystemFlags.idl',
       'geofencing/CircularGeofencingRegionInit.idl',
       'geolocation/PositionOptions.idl',
       'indexeddb/IDBIndexParameters.idl',
       'mediastream/RTCIceCandidateInit.idl',
       'mediastream/RTCSessionDescriptionInit.idl',
+      'notifications/NotificationEventInit.idl',
       'notifications/NotificationOptions.idl',
+      'push_messaging/PushEventInit.idl',
       'serviceworkers/CacheQueryOptions.idl',
+      'serviceworkers/ExtendableEventInit.idl',
+      'serviceworkers/InstallEventInit.idl',
       'serviceworkers/RegistrationOptions.idl',
       'serviceworkers/ServiceWorkerClientQueryOptions.idl',
       'speech/SpeechRecognitionErrorInit.idl',
       'speech/SpeechRecognitionEventInit.idl',
       'webmidi/MIDIConnectionEventInit.idl',
       'webmidi/MIDIMessageEventInit.idl',
       'webmidi/MIDIOptions.idl',
       'websockets/CloseEventInit.idl',
     ],
     'generated_modules_files': [
@@ skipping 21 matching lines @@
       '<(blink_modules_output_dir)/geofencing/CircularGeofencingRegionInit.cpp',
       '<(blink_modules_output_dir)/geofencing/CircularGeofencingRegionInit.h',
       '<(blink_modules_output_dir)/geolocation/PositionOptions.cpp',
       '<(blink_modules_output_dir)/geolocation/PositionOptions.h',
       '<(blink_modules_output_dir)/indexeddb/IDBIndexParameters.cpp',
       '<(blink_modules_output_dir)/indexeddb/IDBIndexParameters.h',
       '<(blink_modules_output_dir)/mediastream/RTCIceCandidateInit.cpp',
       '<(blink_modules_output_dir)/mediastream/RTCIceCandidateInit.h',
       '<(blink_modules_output_dir)/mediastream/RTCSessionDescriptionInit.cpp',
       '<(blink_modules_output_dir)/mediastream/RTCSessionDescriptionInit.h',
+      '<(blink_modules_output_dir)/notifications/NotificationEventInit.cpp',
+      '<(blink_modules_output_dir)/notifications/NotificationEventInit.h',
       '<(blink_modules_output_dir)/notifications/NotificationOptions.cpp',
       '<(blink_modules_output_dir)/notifications/NotificationOptions.h',
+      '<(blink_modules_output_dir)/push_messaging/PushEventInit.cpp',
+      '<(blink_modules_output_dir)/push_messaging/PushEventInit.h',
       '<(blink_modules_output_dir)/serviceworkers/CacheQueryOptions.cpp',
       '<(blink_modules_output_dir)/serviceworkers/CacheQueryOptions.h',
+      '<(blink_modules_output_dir)/serviceworkers/ExtendableEventInit.cpp',
+      '<(blink_modules_output_dir)/serviceworkers/ExtendableEventInit.h',
+      '<(blink_modules_output_dir)/serviceworkers/InstallEventInit.cpp',
+      '<(blink_modules_output_dir)/serviceworkers/InstallEventInit.h',
       '<(blink_modules_output_dir)/serviceworkers/RegistrationOptions.cpp',
       '<(blink_modules_output_dir)/serviceworkers/RegistrationOptions.h',
       '<(blink_modules_output_dir)/serviceworkers/ServiceWorkerClientQueryOptions.cpp',
       '<(blink_modules_output_dir)/serviceworkers/ServiceWorkerClientQueryOptions.h',
       '<(blink_modules_output_dir)/speech/SpeechRecognitionErrorInit.cpp',
       '<(blink_modules_output_dir)/speech/SpeechRecognitionErrorInit.h',
       '<(blink_modules_output_dir)/speech/SpeechRecognitionEventInit.cpp',
       '<(blink_modules_output_dir)/speech/SpeechRecognitionEventInit.h',
       '<(blink_modules_output_dir)/webmidi/MIDIConnectionEventInit.cpp',
       '<(blink_modules_output_dir)/webmidi/MIDIConnectionEventInit.h',
@@ skipping 796 matching lines @@
       'serviceworkers/CacheTest.cpp',
       'serviceworkers/FetchResponseDataTest.cpp',
       'serviceworkers/RequestTest.cpp',
       'serviceworkers/ResponseTest.cpp',
       'serviceworkers/ServiceWorkerContainerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }