Restructure public side of network service.

mojo/services/public/interfaces/network/web_socket.mojom

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-module mojo;
-
-import "mojo/services/public/interfaces/network/network_error.mojom";
-
-interface WebSocket {
-  enum MessageType {
-    CONTINUATION,
-    TEXT,
-    BINARY
-  };
-  const uint16 kAbnormalCloseCode = 1006;  // stolen from websocket_bridge
-
-  // Initiates a WebSocket connection to the given url. |send_stream| is a data
-  // pipe which should remain open for the lifetime of the WebSocket. Data
-  // to send over the WebSocket should be written to the producer end of the
-  // |send_stream|.
-  Connect(string url,
-          array<string> protocols,
-          string origin,
-          handle<data_pipe_consumer> send_stream,
-          WebSocketClient client);
-
-  // Called after writing |num_bytes| worth of data to the WebSocket's
-  // |send_stream|.
-  Send(bool fin, MessageType type, uint32 num_bytes);
-
-  FlowControl(int64 quota);
-
-  Close(uint16 code, string reason);
-};
-
-interface WebSocketClient {
-  // Called in response to a WebSocket.Connect call to indicate success or
-  // failure. |receive_stream| is a data pipe which where incoming data from
-  // the server is written.
-  DidConnect(bool fail,
-             string selected_subprotocol,
-             string extensions,
-             handle<data_pipe_consumer> receive_stream);
-
-  // Called when there is |num_bytes| worth of incoming data available on the
-  // |receive_stream|.
-  DidReceiveData(bool fin, WebSocket.MessageType type, uint32 num_bytes);
-
-  DidReceiveFlowControl(int64 quota);
-
-  DidFail(string message);
-
-  DidClose(bool was_clean, uint16 code, string reason);
-
-  // Blink has 3 extra methods that we don't implement, because they are used
-  // for the inspector:
-  // didStartOpeningHandshake
-  // didFinishOpeningHandshake
-  // didStartClosingHandshake
-};