Fix bug in net::RequestPriority -> HTTP/2 dependency conversion.

chrome/browser/io_thread.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 CHROME_BROWSER_IO_THREAD_H_
 #define CHROME_BROWSER_IO_THREAD_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 197 matching lines @@
     Optional<bool> enable_http2;
     std::set<net::HostPortPair> forced_spdy_exclusions;
     Optional<bool> parse_alternative_services;
     Optional<bool> enable_alternative_service_with_different_host;
     Optional<double> alternative_service_probability_threshold;
 
     Optional<bool> enable_npn;
 
     Optional<bool> enable_brotli;
 
+    Optional<bool> enable_priority_dependencies;
+
     Optional<bool> enable_quic;
     Optional<bool> disable_quic_on_timeout_with_open_streams;
     Optional<bool> enable_quic_for_proxies;
     Optional<bool> enable_quic_port_selection;
     Optional<bool> quic_always_require_handshake_confirmation;
     Optional<bool> quic_disable_connection_pooling;
     Optional<float> quic_load_server_info_timeout_srtt_multiplier;
     Optional<bool> quic_enable_connection_racing;
     Optional<bool> quic_enable_non_blocking_io;
     Optional<bool> quic_disable_disk_cache;
@@ skipping 121 matching lines @@
 
   void ChangedToOnTheRecordOnIOThread();
 
   void UpdateDnsClientEnabled();
   void UpdateServerWhitelist();
   void UpdateDelegateWhitelist();
   void UpdateAndroidAuthNegotiateAccountType();
   void UpdateNegotiateDisableCnameLookup();
   void UpdateNegotiateEnablePort();
 
+  // Configure the use of priority dependencies in SPDY/HTTP2
+  void ConfigurePriorityDependencies();
+
   // Configures QUIC options based on the flags in |command_line| as
   // well as the QUIC field trial group.
   void ConfigureQuic(const base::CommandLine& command_line);
 
   extensions::EventRouterForwarder* extension_event_router_forwarder() {
 #if defined(ENABLE_EXTENSIONS)
     return extension_event_router_forwarder_;
 #else
     return NULL;
 #endif
@@ skipping 229 matching lines @@
   bool is_quic_allowed_by_policy_;
 
   const base::TimeTicks creation_time_;
 
   base::WeakPtrFactory<IOThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOThread);
 };
 
 #endif  // CHROME_BROWSER_IO_THREAD_H_