Add brotli content-encoding filter.

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 278 matching lines @@
   int64_t total_network_bytes_received() const {
     return total_network_bytes_received_;
   }
   int64_t total_network_bytes_sent() const { return total_network_bytes_sent_; }
 
   // Last observed proxy in proxy header sent callback.
   HostPortPair last_observed_proxy() {
     return last_observed_proxy_;
   }
 
+  const HttpRequestHeaders& last_headers() const { return last_headers_; }
+
   void set_can_be_intercepted_on_error(bool can_be_intercepted_on_error) {
     will_be_intercepted_on_next_error_ = can_be_intercepted_on_error;
   }
 
  protected:
   // NetworkDelegate:
   int OnBeforeURLRequest(URLRequest* request,
                          const CompletionCallback& callback,
                          GURL* new_url) override;
   int OnBeforeSendHeaders(URLRequest* request,
@@ skipping 73 matching lines @@
   LoadTimingInfo load_timing_info_before_redirect_;
   bool has_load_timing_info_before_redirect_;
 
   LoadTimingInfo load_timing_info_before_auth_;
   bool has_load_timing_info_before_auth_;
 
   bool can_access_files_;  // true by default
   bool experimental_cookie_features_enabled_;           // false by default
   bool cancel_request_with_policy_violating_referrer_;  // false by default
   bool will_be_intercepted_on_next_error_;
+
+  HttpRequestHeaders last_headers_;
 };
 
 //-----------------------------------------------------------------------------
 
 // A simple ProtocolHandler that returns a pre-built URLRequestJob only once.
 class TestJobInterceptor : public URLRequestJobFactory::ProtocolHandler {
  public:
   TestJobInterceptor();
 
   URLRequestJob* MaybeCreateJob(
       URLRequest* request,
       NetworkDelegate* network_delegate) const override;
   void set_main_intercept_job(URLRequestJob* job);
 
  private:
   mutable URLRequestJob* main_intercept_job_;
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_