Revert of Moving proxy resolution logic out of NetworkDelegate and into ProxyDelegate

net/base/network_delegate_impl.cc

 // Copyright 2014 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/base/network_delegate_impl.h"
 
 #include "net/base/net_errors.h"
 
 namespace net {
 
 int NetworkDelegateImpl::OnBeforeURLRequest(URLRequest* request,
                                             const CompletionCallback& callback,
                                             GURL* new_url) {
   return OK;
 }
 
+void NetworkDelegateImpl::OnResolveProxy(const GURL& url,
+                                         int load_flags,
+                                         const ProxyService& proxy_service,
+                                         ProxyInfo* result) {
+}
+
+void NetworkDelegateImpl::OnProxyFallback(const ProxyServer& bad_proxy,
+                                          int net_error) {
+}
+
 int NetworkDelegateImpl::OnBeforeSendHeaders(URLRequest* request,
                                              const CompletionCallback& callback,
                                              HttpRequestHeaders* headers) {
   return OK;
 }
 
 void NetworkDelegateImpl::OnBeforeSendProxyHeaders(
     URLRequest* request,
     const ProxyInfo& proxy_info,
     HttpRequestHeaders* headers) {
@@ skipping 74 matching lines @@
 }
 
 bool NetworkDelegateImpl::OnCancelURLRequestWithPolicyViolatingReferrerHeader(
     const URLRequest& request,
     const GURL& target_url,
     const GURL& referrer_url) const {
   return false;
 }
 
 }  // namespace net