Delete the old WebSocket implementation.

Source/modules/modules.gypi

Index: Source/modules/modules.gypi
diff --git a/Source/modules/modules.gypi b/Source/modules/modules.gypi
index 12f1562f571afff1072cfa7a7f754e4ebb78bafb..70a68fe20690a8e47cbe42d4385fc17023244070 100644
--- a/Source/modules/modules.gypi
+++ b/Source/modules/modules.gypi
@@ -995,28 +995,13 @@
       'websockets/CloseEvent.h',
       'websockets/DOMWebSocket.cpp',
       'websockets/DOMWebSocket.h',
-      'websockets/MainThreadWebSocketChannel.cpp',
-      'websockets/MainThreadWebSocketChannel.h',
       'websockets/NewWebSocketChannelImpl.cpp',
       'websockets/NewWebSocketChannelImpl.h',
       'websockets/WebSocketChannel.cpp',
       'websockets/WebSocketChannel.h',
       'websockets/WebSocketChannelClient.h',
-      'websockets/WebSocketDeflateFramer.cpp',
-      'websockets/WebSocketDeflateFramer.h',
-      'websockets/WebSocketDeflater.cpp',
-      'websockets/WebSocketDeflater.h',
-      'websockets/WebSocketExtensionDispatcher.cpp',
-      'websockets/WebSocketExtensionDispatcher.h',
-      'websockets/WebSocketExtensionParser.cpp',
-      'websockets/WebSocketExtensionParser.h',
-      'websockets/WebSocketExtensionProcessor.h',
       'websockets/WebSocketFrame.cpp',
       'websockets/WebSocketFrame.h',
-      'websockets/WebSocketHandshake.cpp',
-      'websockets/WebSocketHandshake.h',
-      'websockets/WebSocketPerMessageDeflate.cpp',
-      'websockets/WebSocketPerMessageDeflate.h',
       'websockets/WorkerThreadableWebSocketChannel.cpp',
       'websockets/WorkerThreadableWebSocketChannel.h',
     ],
@@ -1055,10 +1040,6 @@
       'serviceworkers/ServiceWorkerContainerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/NewWebSocketChannelImplTest.cpp',
-      'websockets/WebSocketDeflaterTest.cpp',
-      'websockets/WebSocketExtensionDispatcherTest.cpp',
-      'websockets/WebSocketExtensionParserTest.cpp',
-      'websockets/WebSocketPerMessageDeflateTest.cpp',
     ],
   },
 }