Change HostResolver::Resolve() to take an std::unique_ptr<Request>* rather than a RequestHandle*

net/tools/gdig/gdig.cc

Index: net/tools/gdig/gdig.cc
diff --git a/net/tools/gdig/gdig.cc b/net/tools/gdig/gdig.cc
index f3d84e31b49a3bbd60f4b7160085c37134b4f0fe..f4109adb05936cb7bf912c2ae273362a9102a69a 100644
--- a/net/tools/gdig/gdig.cc
+++ b/net/tools/gdig/gdig.cc
@@ -231,6 +231,7 @@ class GDig {
   std::unique_ptr<FileNetLogObserver> log_observer_;
   std::unique_ptr<NetLog> log_;
   std::unique_ptr<HostResolver> resolver_;
+  std::unique_ptr<HostResolver::Request> request_;
 
 #if defined(OS_MACOSX)
   // Without this there will be a mem leak on osx.
@@ -465,17 +466,16 @@ void GDig::ReplayNextEntry() {
                                              current_index,
                                              base::Owned(addrlist),
                                              time_since_start);
+    std::unique_ptr<HostResolver::Request> request;

[mmenke, 2016/07/21 16:00:40]

Not needed.

[maksims (do not use this acc), 2016/07/22 10:16:00]

Done.

     ++active_resolves_;
     ++replay_log_index_;
     int ret = resolver_->Resolve(
-        info,
-        DEFAULT_PRIORITY,
-        addrlist,
-        callback,
-        NULL,
+        info, DEFAULT_PRIORITY, addrlist, callback, &request,
         BoundNetLog::Make(log_.get(), net::NetLog::SOURCE_NONE));
     if (ret != ERR_IO_PENDING)
       callback.Run(ret);
+    else if (ret == ERR_IO_PENDING)
+      request_ = std::move(request);
   }
 }