Move data reduction proxy to Chrome-Proxy header for authentication

net/url_request/url_request_test_util.h

Index: net/url_request/url_request_test_util.h
diff --git a/net/url_request/url_request_test_util.h b/net/url_request/url_request_test_util.h
index ebd02c4aca5059837b7f76100e34444a2849fbd4..28613ce94fe6be016947ba60cc82afac55022d75 100644
--- a/net/url_request/url_request_test_util.h
+++ b/net/url_request/url_request_test_util.h
@@ -274,6 +274,15 @@ class TestNetworkDelegate : public NetworkDelegate {
   void set_can_throttle_requests(bool val) { can_throttle_requests_ = val; }
   bool can_throttle_requests() const { return can_throttle_requests_; }
 
+  int observed_before_proxy_headers_sent_callbacks() const {
+    return observed_before_proxy_headers_sent_callbacks_;
+  }
+
+  // Last observed proxy in proxy header sent callback.
+  HostPortPair last_observed_proxy() {
+    return last_observed_proxy_;
+  }
+
  protected:
   // NetworkDelegate:
   virtual int OnBeforeURLRequest(URLRequest* request,
@@ -282,6 +291,10 @@ class TestNetworkDelegate : public NetworkDelegate {
   virtual int OnBeforeSendHeaders(URLRequest* request,
                                   const CompletionCallback& callback,
                                   HttpRequestHeaders* headers) OVERRIDE;
+  virtual void OnBeforeSendProxyHeaders(
+      net::URLRequest* request,
+      const net::ProxyInfo& proxy_info,
+      net::HttpRequestHeaders* headers) OVERRIDE;
   virtual void OnSendHeaders(URLRequest* request,
                              const HttpRequestHeaders& headers) OVERRIDE;
   virtual int OnHeadersReceived(
@@ -333,6 +346,9 @@ class TestNetworkDelegate : public NetworkDelegate {
   int blocked_get_cookies_count_;
   int blocked_set_cookie_count_;
   int set_cookie_count_;
+  int observed_before_proxy_headers_sent_callbacks_;
+  // Last observed proxy in before proxy header sent callback.
+  HostPortPair last_observed_proxy_;
 
   // NetworkDelegate callbacks happen in a particular order (e.g.
   // OnBeforeURLRequest is always called before OnBeforeSendHeaders).