Rename NewWebSocketChannelImpl to DocumentWebSocketChannel.

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 990 matching lines @@
       'webmidi/MIDIOutputMap.cpp',
       'webmidi/MIDIOutputMap.h',
       'webmidi/MIDIPort.cpp',
       'webmidi/MIDIPort.h',
       'webmidi/MIDISuccessCallback.h',
       'webmidi/NavigatorWebMIDI.cpp',
       'webmidi/NavigatorWebMIDI.h',
       'websockets/CloseEvent.h',
       'websockets/DOMWebSocket.cpp',
       'websockets/DOMWebSocket.h',
-      'websockets/NewWebSocketChannelImpl.cpp',
-      'websockets/NewWebSocketChannelImpl.h',
+      'websockets/DocumentWebSocketChannel.cpp',
+      'websockets/DocumentWebSocketChannel.h',
       'websockets/WebSocketChannel.cpp',
       'websockets/WebSocketChannel.h',
       'websockets/WebSocketChannelClient.h',
       'websockets/WebSocketFrame.cpp',
       'websockets/WebSocketFrame.h',
       'websockets/WorkerThreadableWebSocketChannel.cpp',
       'websockets/WorkerThreadableWebSocketChannel.h',
     ],
     # 'partial interface' or target (right side of) 'implements'
     'modules_testing_dependency_idl_files' : [
@@ skipping 22 matching lines @@
       'filesystem/DOMFileSystemBaseTest.cpp',
       'indexeddb/IDBKeyPathTest.cpp',
       'indexeddb/IDBRequestTest.cpp',
       'indexeddb/IDBTransactionTest.cpp',
       'serviceworkers/CacheTest.cpp',
       'serviceworkers/FetchResponseDataTest.cpp',
       'serviceworkers/RequestTest.cpp',
       'serviceworkers/ResponseTest.cpp',
       'serviceworkers/ServiceWorkerContainerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
-      'websockets/NewWebSocketChannelImplTest.cpp',
+      'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }