Refactoring: ProtocolHandler::MaybeCreateJob takes NetworkDelegate as argument

net/url_request/url_request_job_factory.h

 // Copyright (c) 2011 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_URL_REQUEST_URL_REQUEST_JOB_FACTORY_H_
 #define NET_URL_REQUEST_URL_REQUEST_JOB_FACTORY_H_
 
 #include <map>
 #include <string>
 #include <vector>
 #include "base/basictypes.h"
 #include "base/threading/non_thread_safe.h"
 #include "net/base/net_export.h"
 
 class GURL;
 
 namespace net {
 
+class NetworkDelegate;
 class URLRequest;
 class URLRequestJob;
 
 class NET_EXPORT URLRequestJobFactory
     : NON_EXPORTED_BASE(public base::NonThreadSafe) {
  public:
   class NET_EXPORT ProtocolHandler {
    public:
     virtual ~ProtocolHandler();
 
-    virtual URLRequestJob* MaybeCreateJob(URLRequest* request) const = 0;
+    virtual URLRequestJob* MaybeCreateJob(
+        URLRequest* request, NetworkDelegate* network_delegate) const = 0;
   };
 
   class NET_EXPORT Interceptor {
    public:
     virtual ~Interceptor();
 
     // Called for every request made.  Should return a new job to handle the
     // request if it should be intercepted, or NULL to allow the request to
     // be handled in the normal manner.
-    virtual URLRequestJob* MaybeIntercept(URLRequest* request) const = 0;
+    virtual URLRequestJob* MaybeIntercept(
+        URLRequest* request, NetworkDelegate* network_delegate) const = 0;
 
     // Called after having received a redirect response, but prior to the
     // the request delegate being informed of the redirect. Can return a new
     // job to replace the existing job if it should be intercepted, or NULL
     // to allow the normal handling to continue. If a new job is provided,
     // the delegate never sees the original redirect response, instead the
     // response produced by the intercept job will be returned.
     virtual URLRequestJob* MaybeInterceptRedirect(
         const GURL& location,
-        URLRequest* request) const = 0;
+        URLRequest* request,
+        NetworkDelegate* network_delegate) const = 0;
 
     // Called after having received a final response, but prior to the
     // the request delegate being informed of the response. This is also
     // called when there is no server response at all to allow interception
     // on DNS or network errors. Can return a new job to replace the existing
     // job if it should be intercepted, or NULL to allow the normal handling to
     // continue. If a new job is provided, the delegate never sees the original
     // response, instead the response produced by the intercept job will be
     // returned.
     virtual URLRequestJob* MaybeInterceptResponse(
-        URLRequest* request) const = 0;
+        URLRequest* request, NetworkDelegate* network_delegate) const = 0;
 
     // Returns true if this interceptor handles requests for URLs with the
     // given protocol. Returning false does not imply that this interceptor
     // can't or won't handle requests with the given protocol.
     virtual bool WillHandleProtocol(const std::string& protocol) const;
   };
 
   URLRequestJobFactory();
   ~URLRequestJobFactory();
 
   // Sets the ProtocolHandler for a scheme. Returns true on success, false on
   // failure (a ProtocolHandler already exists for |scheme|). On success,
   // URLRequestJobFactory takes ownership of |protocol_handler|.
   bool SetProtocolHandler(const std::string& scheme,
                           ProtocolHandler* protocol_handler);
 
   // Takes ownership of |interceptor|. Adds it to the end of the Interceptor
   // list.
   void AddInterceptor(Interceptor* interceptor);
 
-  URLRequestJob* MaybeCreateJobWithInterceptor(URLRequest* request) const;
+  URLRequestJob* MaybeCreateJobWithInterceptor(
+      URLRequest* request, NetworkDelegate* network_delegate) const;
 
-  URLRequestJob* MaybeCreateJobWithProtocolHandler(const std::string& scheme,
-                                                   URLRequest* request) const;
+  URLRequestJob* MaybeCreateJobWithProtocolHandler(
+      const std::string& scheme,
+      URLRequest* request,
+      NetworkDelegate* network_delegate) const;
 
-  URLRequestJob* MaybeInterceptRedirect(const GURL& location,
-                                        URLRequest* request) const;
+  URLRequestJob* MaybeInterceptRedirect(
+      const GURL& location,
+      URLRequest* request,
+      NetworkDelegate* network_delegate) const;
 
-  URLRequestJob* MaybeInterceptResponse(URLRequest* request) const;
+  URLRequestJob* MaybeInterceptResponse(
+      URLRequest* request, NetworkDelegate* network_delegate) const;
 
   bool IsHandledProtocol(const std::string& scheme) const;
 
   bool IsHandledURL(const GURL& url) const;
 
  private:
   typedef std::map<std::string, ProtocolHandler*> ProtocolHandlerMap;
   typedef std::vector<Interceptor*> InterceptorList;
 
   ProtocolHandlerMap protocol_handler_map_;
   InterceptorList interceptors_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestJobFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_JOB_FACTORY_H_