Revert of Adjust callers and networking delegates in net/ to modified APIs

net/proxy/proxy_script_fetcher_impl_unittest.cc

 // 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.
 
 #include "net/proxy/proxy_script_fetcher_impl.h"
 
 #include <string>
 #include <utility>
 
 #include "base/compiler_specific.h"
@@ skipping 146 matching lines @@
       const CompletionCallback& callback,
       const HttpResponseHeaders* original_response_headers,
       scoped_refptr<HttpResponseHeaders>* override_response_headers,
       GURL* allowed_unsafe_redirect_url) override {
     return OK;
   }
 
   void OnBeforeRedirect(URLRequest* request,
                         const GURL& new_location) override {}
 
-  void OnResponseStarted(URLRequest* request, int net_error) override {}
+  void OnResponseStarted(URLRequest* request) override {}
 
-  void OnCompleted(URLRequest* request, bool started, int net_error) override {}
+  void OnCompleted(URLRequest* request, bool started) override {}
 
   void OnURLRequestDestroyed(URLRequest* request) override {}
 
   void OnPACScriptError(int line_number, const base::string16& error) override {
   }
 
   NetworkDelegate::AuthRequiredResponse OnAuthRequired(
       URLRequest* request,
       const AuthChallengeInfo& auth_info,
       const AuthCallback& callback,
@@ skipping 311 matching lines @@
     base::string16 text;
     TestCompletionCallback callback;
     int result = pac_fetcher.Fetch(url, &text, callback.callback());
     EXPECT_THAT(result, IsError(ERR_FAILED));
   }
 }
 
 }  // namespace
 
 }  // namespace net