Provide child/frame IDs for WebSocket handshake request

content/browser/websockets/websocket_handshake_request_info_impl.h

+// Copyright 2016 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 CONTENT_BROWSER_WEBSOCKET_WEBSOCKET_HANDSHAKE_REQUEST_INFO_IMPL_H_
+#define CONTENT_BROWSER_WEBSOCKET_WEBSOCKET_HANDSHAKE_REQUEST_INFO_IMPL_H_
+
+#include "content/public/browser/websocket_handshake_request_info.h"
+
+#include "base/macros.h"
+#include "base/supports_user_data.h"
+
+namespace content {
+
+class WebSocketHandshakeRequestInfoImpl final
+    : public WebSocketHandshakeRequestInfo,
+      public base::SupportsUserData::Data {
+ public:
+  static void CreateInfoAndAssociateWithRequest(int child_id,
+                                                int frame_id,
+                                                net::URLRequest* request);
+
+  int GetChildId() const override;
+  int GetFrameId() const override;
+
+ private:
+  WebSocketHandshakeRequestInfoImpl(int child_id, int frame_id);
+  ~WebSocketHandshakeRequestInfoImpl() override;
+
+  const int child_id_;
+  const int frame_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebSocketHandshakeRequestInfoImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_WEBSOCKET_WEBSOCKET_HANDSHAKE_REQUEST_INFO_IMPL_H_