Add embedder-specific headers to HTTP CONNECT tunnel request

components/data_reduction_proxy/browser/data_reduction_proxy_delegate.cc

+// 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.
+
+#include "components/data_reduction_proxy/browser/data_reduction_proxy_delegate.h"
+
+#include "net/base/host_port_pair.h"
+#include "net/http/http_request_headers.h"
+#include "net/http/http_response_headers.h"
+
+namespace data_reduction_proxy {
+
+DataReductionProxyDelegate::DataReductionProxyDelegate(
+    DataReductionProxyAuthRequestHandler* auth_handler)
+    : auth_handler_(auth_handler) {
+  DCHECK(auth_handler);
+}
+
+DataReductionProxyDelegate::~DataReductionProxyDelegate() {
+}
+
+void DataReductionProxyDelegate::OnResolveProxy(
+    const GURL& url,
+    int load_flags,
+    const net::ProxyService& proxy_service,
+    net::ProxyInfo* result) {
+}
+
+void DataReductionProxyDelegate::OnFallback(const net::ProxyServer& bad_proxy,
+                                            int net_error) {
+}
+
+void DataReductionProxyDelegate::OnBeforeSendHeaders(
+    net::URLRequest* request,
+    const net::ProxyInfo& proxy_info,
+    net::HttpRequestHeaders* headers) {
+}
+
+void DataReductionProxyDelegate::OnBeforeTunnelRequest(
+    const net::HostPortPair& proxy_server,
+    net::HttpRequestHeaders* extra_headers) {
+  auth_handler_->MaybeAddProxyTunnelRequestHandler(proxy_server, extra_headers);
+}
+
+void DataReductionProxyDelegate::OnTunnelHeadersReceived(
+    const net::HostPortPair& origin,
+    const net::HostPortPair& proxy_server,
+    const net::HttpResponseHeaders& response_headers) {
+}
+
+}  // namespace data_reduction_proxy