Move data reduction proxy to Chrome-Proxy header for authentication

net/base/network_delegate.cc

Index: net/base/network_delegate.cc
diff --git a/net/base/network_delegate.cc b/net/base/network_delegate.cc
index d30a4ab4c88db1a56c850ebdcdb106cf30061805..0e660e2a3de7642335af8f6bfdbea7612e794d35 100644
--- a/net/base/network_delegate.cc
+++ b/net/base/network_delegate.cc
@@ -7,6 +7,7 @@
 #include "base/logging.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
+#include "net/proxy/proxy_info.h"
 #include "net/url_request/url_request.h"
 
 namespace net {
@@ -29,6 +30,15 @@ int NetworkDelegate::NotifyBeforeSendHeaders(
   return OnBeforeSendHeaders(request, callback, headers);
 }
 
+void NetworkDelegate::NotifyBeforeSendProxyHeaders(
+    URLRequest* request,
+    const ProxyInfo& proxy_info,
+    HttpRequestHeaders* headers) {
+  DCHECK(CalledOnValidThread());
+  DCHECK(headers);
+  OnBeforeSendProxyHeaders(request, proxy_info, headers);
+}
+
 void NetworkDelegate::NotifySendHeaders(URLRequest* request,
                                         const HttpRequestHeaders& headers) {
   DCHECK(CalledOnValidThread());
@@ -151,6 +161,12 @@ int NetworkDelegate::OnBeforeSendHeaders(URLRequest* request,
   return OK;
 }
 
+void NetworkDelegate::OnBeforeSendProxyHeaders(
+    URLRequest* request,
+    const ProxyInfo& proxy_info,
+    HttpRequestHeaders* headers) {
+}
+
 void NetworkDelegate::OnSendHeaders(URLRequest* request,
                                     const HttpRequestHeaders& headers) {
 }