[WebSocket] Make subprotocol and extensions live in WebSocket

Source/modules/websockets/WorkerThreadableWebSocketChannel.h

Index: Source/modules/websockets/WorkerThreadableWebSocketChannel.h
diff --git a/Source/modules/websockets/WorkerThreadableWebSocketChannel.h b/Source/modules/websockets/WorkerThreadableWebSocketChannel.h
index 790339a2aac082e8b38c1a22571a75eec140fe29..7ff72e6cd9162ea4092fdf1ee330f38d26084a20 100644
--- a/Source/modules/websockets/WorkerThreadableWebSocketChannel.h
+++ b/Source/modules/websockets/WorkerThreadableWebSocketChannel.h
@@ -73,8 +73,6 @@ public:
 
     // WebSocketChannel functions.
     virtual bool connect(const KURL&, const String& protocol) OVERRIDE;
-    virtual String subprotocol() OVERRIDE;
-    virtual String extensions() OVERRIDE;
     virtual WebSocketChannel::SendResult send(const String& message) OVERRIDE;
     virtual WebSocketChannel::SendResult send(const ArrayBuffer&, unsigned byteOffset, unsigned byteLength) OVERRIDE;
     virtual WebSocketChannel::SendResult send(PassRefPtr<BlobDataHandle>) OVERRIDE;
@@ -117,7 +115,7 @@ public:
         void resume();
 
         // WebSocketChannelClient functions.
-        virtual void didConnect() OVERRIDE;
+        virtual void didConnect(const String& subprotocol, const String& extensions) OVERRIDE;
         virtual void didReceiveMessage(const String& message) OVERRIDE;
         virtual void didReceiveBinaryData(PassOwnPtr<Vector<char> >) OVERRIDE;
         virtual void didUpdateBufferedAmount(unsigned long bufferedAmount) OVERRIDE;