Network traffic annotation added to OAuth2ApiCallFlow and its subclasses.

components/cryptauth/cryptauth_api_call_flow.cc

Index: components/cryptauth/cryptauth_api_call_flow.cc
diff --git a/components/cryptauth/cryptauth_api_call_flow.cc b/components/cryptauth/cryptauth_api_call_flow.cc
index cfacd8992bb756a5992fea97af5af287d297879e..c0de9b4e44609d4b5e80e9bacb6cb9305e8e1db4 100644
--- a/components/cryptauth/cryptauth_api_call_flow.cc
+++ b/components/cryptauth/cryptauth_api_call_flow.cc
@@ -6,6 +6,7 @@
 
 #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 {
@@ -80,4 +81,10 @@ void CryptAuthApiCallFlow::ProcessApiCallFailure(
   error_callback_.Run(error_message);
 }
 
+net::PartialNetworkTrafficAnnotationTag
+CryptAuthApiCallFlow::GetNetworkTrafficAnnotationTag() {
+  DCHECK(partial_network_annotation_ != nullptr);
+  return *partial_network_annotation_.get();
+}
+
 }  // namespace cryptauth