ResourceLoader: Fix a bunch of double-cancellation/double-error notification cases.

net/url_request/url_request_test_job.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_URL_REQUEST_URL_REQUEST_TEST_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_TEST_JOB_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 51 matching lines @@
   ~URLRequestTestJob() override;
 
   // The canned URLs this handler will respond to without having been
   // explicitly initialized with response headers and data.
   // FIXME(brettw): we should probably also have a redirect one
   static GURL test_url_1();
   static GURL test_url_2();
   static GURL test_url_3();
   static GURL test_url_4();
   static GURL test_url_error();
+  static GURL test_url_redirect_to_url_1();
   static GURL test_url_redirect_to_url_2();
 
   // The data that corresponds to each of the URLs above
   static std::string test_data_1();
   static std::string test_data_2();
   static std::string test_data_3();
   static std::string test_data_4();
 
   // The headers that correspond to each of the URLs above
   static std::string test_headers();
 
   // The headers for a redirect response
   static std::string test_redirect_headers();
 
+  // The headers for a redirect response to the first test url.
+  static std::string test_redirect_to_url_1_headers();
+
   // The headers for a redirect response to the second test url.
   static std::string test_redirect_to_url_2_headers();
 
   // The headers for a server error response
   static std::string test_error_headers();
 
   // Processes one pending message from the stack, returning true if any
   // message was processed, or false if there are no more pending request
   // notifications to send. This is not applicable when using auto_advance.
   static bool ProcessOnePendingMessage();
@@ skipping 77 matching lines @@
 
   // Original size in bytes of the response headers before decoding.
   int response_headers_length_;
 
   base::WeakPtrFactory<URLRequestTestJob> weak_factory_;
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_TEST_JOB_H_