ServiceWorker: Implement ServiceWorkerRegistration [1/3]

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 112 matching lines @@
       'serviceworkers/Headers.idl',
       'serviceworkers/HeadersForEachCallback.idl',
       'serviceworkers/InstallEvent.idl',
       'serviceworkers/InstallPhaseEvent.idl',
       'serviceworkers/Request.idl',
       'serviceworkers/Response.idl',
       'serviceworkers/ServiceWorker.idl',
       'serviceworkers/ServiceWorkerClients.idl',
       'serviceworkers/ServiceWorkerContainer.idl',
       'serviceworkers/ServiceWorkerGlobalScope.idl',
+      'serviceworkers/ServiceWorkerRegistration.idl',
       'speech/SpeechGrammar.idl',
       'speech/SpeechGrammarList.idl',
       'speech/SpeechRecognition.idl',
       'speech/SpeechRecognitionAlternative.idl',
       'speech/SpeechRecognitionError.idl',
       'speech/SpeechRecognitionEvent.idl',
       'speech/SpeechRecognitionResult.idl',
       'speech/SpeechRecognitionResultList.idl',
       'speech/SpeechSynthesis.idl',
       'speech/SpeechSynthesisEvent.idl',
@@ skipping 544 matching lines @@
       'serviceworkers/ServiceWorkerContainer.cpp',
       'serviceworkers/ServiceWorkerContainer.h',
       'serviceworkers/ServiceWorkerContainerClient.cpp',
       'serviceworkers/ServiceWorkerContainerClient.h',
       'serviceworkers/ServiceWorkerError.cpp',
       'serviceworkers/ServiceWorkerError.h',
       'serviceworkers/ServiceWorkerGlobalScope.cpp',
       'serviceworkers/ServiceWorkerGlobalScope.h',
       'serviceworkers/ServiceWorkerGlobalScopeClient.cpp',
       'serviceworkers/ServiceWorkerGlobalScopeClient.h',
+      'serviceworkers/ServiceWorkerRegistration.cpp',
+      'serviceworkers/ServiceWorkerRegistration.h',
       'serviceworkers/ServiceWorkerThread.cpp',
       'serviceworkers/ServiceWorkerThread.h',
       'serviceworkers/WaitUntilObserver.cpp',
       'speech/DOMWindowSpeechSynthesis.cpp',
       'speech/DOMWindowSpeechSynthesis.h',
       'speech/SpeechGrammar.cpp',
       'speech/SpeechGrammar.h',
       'speech/SpeechGrammarList.cpp',
       'speech/SpeechGrammarList.h',
       'speech/SpeechRecognition.cpp',
@@ skipping 278 matching lines @@
       'indexeddb/IDBRequestTest.cpp',
       'indexeddb/IDBTransactionTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/WebSocketDeflaterTest.cpp',
       'websockets/WebSocketExtensionDispatcherTest.cpp',
       'websockets/WebSocketExtensionParserTest.cpp',
       'websockets/WebSocketPerMessageDeflateTest.cpp',
     ],
   },
 }