Network traffic annotation added to remoting/test.

remoting/test/remote_host_info_fetcher.cc

Index: remoting/test/remote_host_info_fetcher.cc
diff --git a/remoting/test/remote_host_info_fetcher.cc b/remoting/test/remote_host_info_fetcher.cc
index c7a0bc4706cbd0d2e0cb0508445781fc6c7099e3..6ee831b0d10f8200edf02c69eff762e9072a756b 100644
--- a/remoting/test/remote_host_info_fetcher.cc
+++ b/remoting/test/remote_host_info_fetcher.cc
@@ -13,6 +13,7 @@
 #include "base/values.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_status_code.h"
+#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
 #include "net/url_request/url_fetcher.h"
 #include "remoting/base/url_request_context_getter.h"
 
@@ -56,8 +57,8 @@ bool RemoteHostInfoFetcher::RetrieveRemoteHostInfo(
       base::ThreadTaskRunnerHandle::Get(),   // network_runner
       base::ThreadTaskRunnerHandle::Get());  // file_runner
 
-  request_ =
-      net::URLFetcher::Create(GURL(service_url), net::URLFetcher::POST, this);
+  request_ = net::URLFetcher::Create(GURL(service_url), net::URLFetcher::POST,
+                                     this, TRAFFIC_ANNOTATION_FOR_TESTS);
   request_->SetRequestContext(request_context_getter_.get());
   request_->AddExtraRequestHeader("Authorization: OAuth " + access_token);
   request_->AddExtraRequestHeader(kRequestTestOrigin);