Move data reduction proxy to Chrome-Proxy header for authentication

net/base/network_delegate.h

 // Copyright (c) 2012 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 NET_BASE_NETWORK_DELEGATE_H_
 #define NET_BASE_NETWORK_DELEGATE_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 17 matching lines @@
 // would have to be broken up into too many smaller interfaces targeted to each
 // submodule. Also, since the lower levels in net/ may callback into higher
 // levels, we may encounter dangerous casting issues.
 //
 // NOTE: It is not okay to add any compile-time dependencies on symbols outside
 // of net/base here, because we have a net_base library. Forward declarations
 // are ok.
 class CookieOptions;
 class HttpRequestHeaders;
 class HttpResponseHeaders;
+class ProxyInfo;
 class SocketStream;
 class URLRequest;
 
 class NET_EXPORT NetworkDelegate : public base::NonThreadSafe {
  public:
   // AuthRequiredResponse indicates how a NetworkDelegate handles an
   // OnAuthRequired call. It's placed in this file to prevent url_request.h
   // from having to include network_delegate.h.
   enum AuthRequiredResponse {
     AUTH_REQUIRED_RESPONSE_NO_ACTION,
     AUTH_REQUIRED_RESPONSE_SET_AUTH,
     AUTH_REQUIRED_RESPONSE_CANCEL_AUTH,
     AUTH_REQUIRED_RESPONSE_IO_PENDING,
   };
   typedef base::Callback<void(AuthRequiredResponse)> AuthCallback;
 
   virtual ~NetworkDelegate() {}
 
   // Notification interface called by the network stack. Note that these
   // functions mostly forward to the private virtuals. They also add some sanity
   // checking on parameters. See the corresponding virtuals for explanations of
   // the methods and their arguments.
   int NotifyBeforeURLRequest(URLRequest* request,
                              const CompletionCallback& callback,
                              GURL* new_url);
   int NotifyBeforeSendHeaders(URLRequest* request,
                               const CompletionCallback& callback,
                               HttpRequestHeaders* headers);
+  int NotifyBeforeSendProxyHeaders(URLRequest* request,
+                                   const ProxyInfo* proxy_info,
+                                   HttpRequestHeaders* headers);
   void NotifySendHeaders(URLRequest* request,
                          const HttpRequestHeaders& headers);
   int NotifyHeadersReceived(
       URLRequest* request,
       const CompletionCallback& callback,
       const HttpResponseHeaders* original_response_headers,
       scoped_refptr<HttpResponseHeaders>* override_response_headers,
       GURL* allowed_unsafe_redirect_url);
   void NotifyBeforeRedirect(URLRequest* request,
                             const GURL& new_location);
@@ skipping 43 matching lines @@
 
   // Called right before the HTTP headers are sent. Allows the delegate to
   // read/write |headers| before they get sent out. |callback| and |headers| are
   // valid only until OnCompleted or OnURLRequestDestroyed is called for this
   // request.
   // See OnBeforeURLRequest for return value description. Returns OK by default.
   virtual int OnBeforeSendHeaders(URLRequest* request,
                                   const CompletionCallback& callback,
                                   HttpRequestHeaders* headers);
 
+  // Called after a proxy connection. Allows the delegate to read/write
+  // |headers] before they get sent out. |headers| is valid only until
+  // OnCompleted or OnURLRequestDestroyed is called for this request.
+  virtual int OnBeforeSendProxyHeaders(URLRequest* request,

[mef, 2014/06/24 17:41:56]

Please document the return value.

[bengr, 2014/06/24 19:01:51]

Done.

+                                       const ProxyInfo* proxy_info,
+                                       HttpRequestHeaders* headers);
+
   // Called right before the HTTP request(s) are being sent to the network.
   // |headers| is only valid until OnCompleted or OnURLRequestDestroyed is
   // called for this request.
   virtual void OnSendHeaders(URLRequest* request,
                              const HttpRequestHeaders& headers);
 
   // Called for HTTP requests when the headers have been received.
   // |original_response_headers| contains the headers as received over the
   // network, these must not be modified. |override_response_headers| can be set
   // to new values, that should be considered as overriding
@@ skipping 95 matching lines @@
 
   // Called before a SocketStream tries to connect.
   // See OnBeforeURLRequest for return value description. Returns OK by default.
   virtual int OnBeforeSocketStreamConnect(
       SocketStream* socket, const CompletionCallback& callback);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_NETWORK_DELEGATE_H_