Provide child/frame IDs for WebSocket handshake request

net/websockets/websocket_stream.h

 // Copyright (c) 2012 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.
 
 #ifndef NET_WEBSOCKETS_WEBSOCKET_STREAM_H_
 #define NET_WEBSOCKETS_WEBSOCKET_STREAM_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 14 matching lines @@
 class Timer;
 }
 
 namespace url {
 class Origin;
 }  // namespace url
 
 namespace net {
 
 class NetLogWithSource;
+class URLRequest;
 class URLRequestContext;
 struct WebSocketFrame;
 class WebSocketHandshakeStreamBase;
 class WebSocketHandshakeStreamCreateHelper;
 
 // WebSocketStreamRequest is the caller's handle to the process of creation of a
 // WebSocketStream. Deleting the object before the OnSuccess or OnFailure
 // callbacks are called will cancel the request (and neither callback will be
 // called). After OnSuccess or OnFailure have been called, this object may be
 // safely deleted without side-effects.
@@ skipping 19 matching lines @@
 // |callback| will be called when the operation is finished. Non-null |callback|
 // must be provided to these functions.
 
 class NET_EXPORT_PRIVATE WebSocketStream {
  public:
   // A concrete object derived from ConnectDelegate is supplied by the caller to
   // CreateAndConnectStream() to receive the result of the connection.
   class NET_EXPORT_PRIVATE ConnectDelegate {
    public:
     virtual ~ConnectDelegate();
+    // Called when the URLRequest is created.
+    virtual void OnCreateRequest(URLRequest* url_request) = 0;
+
     // Called on successful connection. The parameter is an object derived from
     // WebSocketStream.
     virtual void OnSuccess(std::unique_ptr<WebSocketStream> stream) = 0;
 
     // Called on failure to connect.
     // |message| contains defails of the failure.
     virtual void OnFailure(const std::string& message) = 0;
 
     // Called when the WebSocket Opening Handshake starts.
     virtual void OnStartOpeningHandshake(
@@ skipping 147 matching lines @@
 // supplied |connect_delegate|.
 void WebSocketDispatchOnFinishOpeningHandshake(
     WebSocketStream::ConnectDelegate* connect_delegate,
     const GURL& gurl,
     const scoped_refptr<HttpResponseHeaders>& headers,
     base::Time response_time);
 
 }  // namespace net
 
 #endif  // NET_WEBSOCKETS_WEBSOCKET_STREAM_H_