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

net/socket/socks5_client_socket_unittest.cc

Index: net/socket/socks5_client_socket_unittest.cc
diff --git a/net/socket/socks5_client_socket_unittest.cc b/net/socket/socks5_client_socket_unittest.cc
index 97bfeca1f9f0edd17499df1b90dddc9ba13776ce..b6b6e2104396d2bd7f72841795f84451731b49f3 100644
--- a/net/socket/socks5_client_socket_unittest.cc
+++ b/net/socket/socks5_client_socket_unittest.cc
@@ -80,12 +80,10 @@ void SOCKS5ClientSocketTest::SetUp() {
   // Resolve the "localhost" AddressList used by the TCP connection to connect.
   HostResolver::RequestInfo info(HostPortPair("www.socks-proxy.com", 1080));
   TestCompletionCallback callback;
-  int rv = host_resolver_->Resolve(info,
-                                   DEFAULT_PRIORITY,
-                                   &address_list_,
-                                   callback.callback(),
-                                   NULL,
-                                   BoundNetLog());
+  std::unique_ptr<HostResolver::Request> request;
+  int rv =
+      host_resolver_->Resolve(info, DEFAULT_PRIORITY, &address_list_,
+                              callback.callback(), &request, BoundNetLog());
   ASSERT_THAT(rv, IsError(ERR_IO_PENDING));
   rv = callback.WaitForResult();
   ASSERT_THAT(rv, IsOk());