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

net/url_request/url_request_test_util.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_UTIL_H_
 #define NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
 
 #include <stdint.h>
 #include <stdlib.h>
 
@@ skipping 147 matching lines @@
     allow_certificate_errors_ = val;
   }
   void set_credentials(const AuthCredentials& credentials) {
     credentials_ = credentials;
   }
 
   // query state
   const std::string& data_received() const { return data_received_; }
   int bytes_received() const { return static_cast<int>(data_received_.size()); }
   int response_started_count() const { return response_started_count_; }
+  int received_bytes_count() const { return received_bytes_count_; }
   int received_redirect_count() const { return received_redirect_count_; }
   bool received_data_before_response() const {
     return received_data_before_response_;
   }
   bool request_failed() const { return request_failed_; }
   bool have_certificate_errors() const { return have_certificate_errors_; }
   bool certificate_errors_are_fatal() const {
     return certificate_errors_are_fatal_;
   }
   bool auth_required_called() const { return auth_required_; }
@@ skipping 245 matching lines @@
       NetworkDelegate* network_delegate) const override;
   void set_main_intercept_job(std::unique_ptr<URLRequestJob> job);
 
  private:
   mutable std::unique_ptr<URLRequestJob> main_intercept_job_;
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_