Add embedder-specific headers to HTTP CONNECT tunnel request

components/data_reduction_proxy/browser/data_reduction_proxy_delegate.h

+// 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.
+
+#ifndef COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_DELEGATE_H_
+#define COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_DELEGATE_H_
+
+#include "components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.h"
+#include "net/base/proxy_delegate.h"
+#include "url/gurl.h"
+
+namespace net {
+class HostPortPair;
+class HttpRequestHeaders;
+class HttpResponseHeaders;
+class ProxyInfo;
+class ProxyServer;
+class ProxyService;
+class URLRequest;
+}
+
+namespace data_reduction_proxy {
+
+class DataReductionProxyAuthRequestHandler;
+
+class DataReductionProxyDelegate : public net::ProxyDelegate {
+ public:
+  explicit DataReductionProxyDelegate(
+      DataReductionProxyAuthRequestHandler* auth_handler);
+
+  virtual ~DataReductionProxyDelegate();
+
+  virtual void OnResolveProxy(const GURL& url,
+                              int load_flags,
+                              const net::ProxyService& proxy_service,
+                              net::ProxyInfo* result) OVERRIDE;
+
+  virtual void OnFallback(const net::ProxyServer& bad_proxy,
+                          int net_error) OVERRIDE;
+
+  virtual void OnBeforeSendHeaders(net::URLRequest* request,
+                                   const net::ProxyInfo& proxy_info,
+                                   net::HttpRequestHeaders* headers) OVERRIDE;
+
+  virtual void OnBeforeTunnelRequest(
+      const net::HostPortPair& proxy_server,
+      net::HttpRequestHeaders* extra_headers) OVERRIDE;
+
+  virtual void OnTunnelHeadersReceived(
+      const net::HostPortPair& origin,
+      const net::HostPortPair& proxy_server,
+      const net::HttpResponseHeaders& response_headers) OVERRIDE;
+
+ private:
+  DataReductionProxyAuthRequestHandler* auth_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(DataReductionProxyDelegate);
+};
+
+}  // namespace data_reduction_proxy
+
+#endif  // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_DELEGATE_H_