Mojo: Implement the rest of the WebSocket interface.

mojo/services/network/web_socket_impl.h

Index: mojo/services/network/web_socket_impl.h
diff --git a/mojo/services/network/web_socket_impl.h b/mojo/services/network/web_socket_impl.h
index 403203ef2fee2a22c6f59a2e6fb97d0453917c10..65808592be9334b1464b8f76e65d4d20dd5fc596 100644
--- a/mojo/services/network/web_socket_impl.h
+++ b/mojo/services/network/web_socket_impl.h
@@ -37,7 +37,7 @@ class WebSocketImpl : public InterfaceImpl<WebSocket> {
                     WebSocket::MessageType type,
                     ScopedDataPipeConsumerHandle data) OVERRIDE;
   virtual void FlowControl(int64_t quota) OVERRIDE;
-  virtual void Close(int16_t code, const String& reason) OVERRIDE;
+  virtual void Close(uint16_t code, const String& reason) OVERRIDE;
 
   // The channel we use to send events to the network.
   scoped_ptr<net::WebSocketChannel> channel_;