Move fail on suspend logic from URLRequestJob to TcpClientSocket.

net/dns/host_resolver_impl.h

Index: net/dns/host_resolver_impl.h
diff --git a/net/dns/host_resolver_impl.h b/net/dns/host_resolver_impl.h
index 373f2297ea068c5619e631f98ea001289af6f8f8..4ea5c79c820d903a76a110e2458ab11910cb006d 100644
--- a/net/dns/host_resolver_impl.h
+++ b/net/dns/host_resolver_impl.h
@@ -13,6 +13,7 @@
 
 #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"
@@ -64,7 +65,8 @@ class NET_EXPORT HostResolverImpl
       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.
   //
@@ -290,6 +292,9 @@ class NET_EXPORT HostResolverImpl
   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.