Introducing FetchEventInit Dictionary.

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 350 matching lines @@
       'notifications/NotificationEventInit.idl',
       'notifications/NotificationOptions.idl',
       'permissions/MidiPermissionDescriptor.idl',
       'permissions/PermissionDescriptor.idl',
       'permissions/PushPermissionDescriptor.idl',
       'presentation/AvailableChangeEventInit.idl',
       'presentation/DefaultSessionStartEventInit.idl',
       'push_messaging/PushEventInit.idl',
       'serviceworkers/ClientQueryOptions.idl',
       'serviceworkers/ExtendableEventInit.idl',
+      'serviceworkers/FetchEventInit.idl',
       'serviceworkers/RegistrationOptions.idl',
       'speech/SpeechRecognitionErrorInit.idl',
       'speech/SpeechRecognitionEventInit.idl',
       'storage/StorageEventInit.idl',
       'vr/VRFieldOfViewInit.idl',
       'webmidi/MIDIConnectionEventInit.idl',
       'webmidi/MIDIMessageEventInit.idl',
       'webmidi/MIDIOptions.idl',
       'websockets/CloseEventInit.idl',
     ],
@@ skipping 68 matching lines @@
       '<(blink_modules_output_dir)/presentation/AvailableChangeEventInit.cpp',
       '<(blink_modules_output_dir)/presentation/AvailableChangeEventInit.h',
       '<(blink_modules_output_dir)/presentation/DefaultSessionStartEventInit.cpp',
       '<(blink_modules_output_dir)/presentation/DefaultSessionStartEventInit.h',
       '<(blink_modules_output_dir)/push_messaging/PushEventInit.cpp',
       '<(blink_modules_output_dir)/push_messaging/PushEventInit.h',
       '<(blink_modules_output_dir)/serviceworkers/ClientQueryOptions.cpp',
       '<(blink_modules_output_dir)/serviceworkers/ClientQueryOptions.h',
       '<(blink_modules_output_dir)/serviceworkers/ExtendableEventInit.cpp',
       '<(blink_modules_output_dir)/serviceworkers/ExtendableEventInit.h',
+      '<(blink_modules_output_dir)/serviceworkers/FetchEventInit.cpp',
+      '<(blink_modules_output_dir)/serviceworkers/FetchEventInit.h',
       '<(blink_modules_output_dir)/serviceworkers/RegistrationOptions.cpp',
       '<(blink_modules_output_dir)/serviceworkers/RegistrationOptions.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)/storage/StorageEventInit.cpp',
       '<(blink_modules_output_dir)/storage/StorageEventInit.h',
       '<(blink_modules_output_dir)/vr/VRFieldOfViewInit.cpp',
       '<(blink_modules_output_dir)/vr/VRFieldOfViewInit.h',
@@ skipping 914 matching lines @@
       'filesystem/DOMFileSystemBaseTest.cpp',
       'indexeddb/IDBKeyPathTest.cpp',
       'indexeddb/IDBRequestTest.cpp',
       'indexeddb/IDBTransactionTest.cpp',
       'serviceworkers/ServiceWorkerContainerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }