Update from https://crrev.com/307664

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 "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/filename_util.h"
 #include "net/base/load_flags.h"
+#include "net/base/network_delegate_impl.h"
 #include "net/base/test_completion_callback.h"
 #include "net/cert/mock_cert_verifier.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/http/transport_security_state.h"
 #include "net/ssl/ssl_config_service_defaults.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
@@ skipping 75 matching lines @@
   path = path.AppendASCII("proxy_script_fetcher_unittest");
   GURL base_url = FilePathToFileURL(path);
   return GURL(base_url.spec() + "/" + relpath);
 }
 #endif  // !defined(DISABLE_FILE_SUPPORT)
 
 // Really simple NetworkDelegate so we can allow local file access on ChromeOS
 // without introducing layering violations.  Also causes a test failure if a
 // request is seen that doesn't set a load flag to bypass revocation checking.
 
-class BasicNetworkDelegate : public NetworkDelegate {
+class BasicNetworkDelegate : public NetworkDelegateImpl {
  public:
   BasicNetworkDelegate() {}
   ~BasicNetworkDelegate() override {}
 
  private:
   int OnBeforeURLRequest(URLRequest* request,
                          const CompletionCallback& callback,
                          GURL* new_url) override {
     EXPECT_TRUE(request->load_flags() & LOAD_DISABLE_CERT_REVOCATION_CHECKING);
     return OK;
@@ skipping 354 matching lines @@
   {
     GURL url(kEncodedUrlBroken);
     base::string16 text;
     TestCompletionCallback callback;
     int result = pac_fetcher.Fetch(url, &text, callback.callback());
     EXPECT_EQ(ERR_FAILED, result);
   }
 }
 
 }  // namespace net