Network traffic annotation added to OAuth2ApiCallFlow and its subclasses.

components/cryptauth/cryptauth_api_call_flow.cc

 // Copyright 2014 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.
 
 #include "components/cryptauth/cryptauth_api_call_flow.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "components/proximity_auth/logging/logging.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_fetcher.h"
 
 namespace cryptauth {
 
 namespace {
 
 const char kResponseBodyError[] = "Failed to get response body";
 const char kRequestFailedError[] = "Request failed";
 const char kHttpStatusErrorPrefix[] = "HTTP status: ";
 
@@ skipping 54 matching lines @@
   } else {
     error_message = kRequestFailedError;
   }
 
   std::string response;
   source->GetResponseAsString(&response);
   PA_LOG(INFO) << "API call failed:\n" << response;
   error_callback_.Run(error_message);
 }
 
+net::PartialNetworkTrafficAnnotationTag
+CryptAuthApiCallFlow::GetNetworkTrafficAnnotationTag() {
+  DCHECK(partial_network_annotation_ != nullptr);
+  return *partial_network_annotation_.get();
+}
+
 }  // namespace cryptauth