[proof-of-concept] SW thread independent of the main thread

third_party/WebKit/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 1547 matching lines @@
       'serviceworkers/ExtendableMessageEvent.cpp',
       'serviceworkers/ExtendableMessageEvent.h',
       'serviceworkers/FetchEvent.cpp',
       'serviceworkers/FetchEvent.h',
       'serviceworkers/ForeignFetchEvent.cpp',
       'serviceworkers/ForeignFetchEvent.h',
       'serviceworkers/ForeignFetchRespondWithObserver.cpp',
       'serviceworkers/ForeignFetchRespondWithObserver.h',
       'serviceworkers/InstallEvent.cpp',
       'serviceworkers/InstallEvent.h',
+      'serviceworkers/IsolatedWorkerReportingProxy.cpp',
+      'serviceworkers/IsolatedWorkerReportingProxy.h',
+      'serviceworkers/IsolatedWorkerThread.cpp',
+      'serviceworkers/IsolatedWorkerThread.h',
       'serviceworkers/NavigatorServiceWorker.cpp',
       'serviceworkers/NavigatorServiceWorker.h',
       'serviceworkers/RespondWithObserver.cpp',
       'serviceworkers/RespondWithObserver.h',
       'serviceworkers/ServiceWorker.cpp',
       'serviceworkers/ServiceWorker.h',
       'serviceworkers/ServiceWorkerClient.cpp',
       'serviceworkers/ServiceWorkerClient.h',
       'serviceworkers/ServiceWorkerClients.cpp',
       'serviceworkers/ServiceWorkerClients.h',
@@ skipping 517 matching lines @@
       'webaudio/ConvolverNodeTest.cpp',
       'webaudio/DynamicsCompressorNodeTest.cpp',
       'webaudio/ScriptProcessorNodeTest.cpp',
       'webaudio/StereoPannerNodeTest.cpp',
       'webdatabase/QuotaTrackerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }