Move fail on suspend logic from URLRequestJob to TcpClientSocket.

net/dns/host_resolver_impl.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_DNS_HOST_RESOLVER_IMPL_H_
 #define NET_DNS_HOST_RESOLVER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "base/power_monitor/power_observer.h"
 #include "base/strings/string_piece.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "net/base/net_export.h"
 #include "net/base/network_change_notifier.h"
 #include "net/dns/host_cache.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/host_resolver_proc.h"
 
@@ skipping 31 matching lines @@
 //
 // The HostResolverImpl enforces limits on the maximum number of concurrent
 // threads using PrioritizedDispatcher::Limits.
 //
 // Jobs are ordered in the queue based on their priority and order of arrival.
 class NET_EXPORT HostResolverImpl
     : public HostResolver,
       NON_EXPORTED_BASE(public base::NonThreadSafe),
       public NetworkChangeNotifier::IPAddressObserver,
       public NetworkChangeNotifier::ConnectionTypeObserver,
-      public NetworkChangeNotifier::DNSObserver {
+      public NetworkChangeNotifier::DNSObserver,
+      public base::PowerObserver {
  public:
   // Parameters for ProcTask which resolves hostnames using HostResolveProc.
   //
   // |resolver_proc| is used to perform the actual resolves; it must be
   // thread-safe since it may be run from multiple worker threads. If
   // |resolver_proc| is NULL then the default host resolver procedure is
   // used (which is SystemHostResolverProc except if overridden).
   //
   // For each attempt, we could start another attempt if host is not resolved
   // within |unresponsive_delay| time. We keep attempting to resolve the host
@@ skipping 205 matching lines @@
   void OnIPAddressChanged() override;
 
   // NetworkChangeNotifier::ConnectionTypeObserver:
   void OnConnectionTypeChanged(
       NetworkChangeNotifier::ConnectionType type) override;
 
   // NetworkChangeNotifier::DNSObserver:
   void OnDNSChanged() override;
   void OnInitialDNSConfigRead() override;
 
+  // base::PowerObserver:
+  void OnSuspend() override;
+
   void UpdateDNSConfig(bool config_changed);
 
   // True if have a DnsClient with a valid DnsConfig.
   bool HaveDnsConfig() const;
 
   // Called when a host name is successfully resolved and DnsTask was run on it
   // and resulted in |net_error|.
   void OnDnsTaskResolve(int net_error);
 
   void OnCacheEntryEvicted(const HostCache::Key& key,
@@ skipping 87 matching lines @@
 // This function is only exposed so it can be unit-tested.
 // TODO(tfarina): It would be better to change the tests so this function
 // gets exercised indirectly through HostResolverImpl.
 NET_EXPORT_PRIVATE bool ResolveLocalHostname(base::StringPiece host,
                                              uint16_t port,
                                              AddressList* address_list);
 
 }  // namespace net
 
 #endif  // NET_DNS_HOST_RESOLVER_IMPL_H_