Network traffic annotation added to OAuth2ApiCallFlow and its subclasses.

components/cryptauth/cryptauth_api_call_flow_unittest.cc

Index: components/cryptauth/cryptauth_api_call_flow_unittest.cc
diff --git a/components/cryptauth/cryptauth_api_call_flow_unittest.cc b/components/cryptauth/cryptauth_api_call_flow_unittest.cc
index cbc6701e4f881dde46ea3a2d05f5c51feadd4040..2c97320736ad31a37f311f032fc41c3671aa03df 100644
--- a/components/cryptauth/cryptauth_api_call_flow_unittest.cc
+++ b/components/cryptauth/cryptauth_api_call_flow_unittest.cc
@@ -30,7 +30,10 @@ class CryptAuthApiCallFlowTest
  protected:
   CryptAuthApiCallFlowTest()
       : url_request_context_getter_(new net::TestURLRequestContextGetter(
-            new base::TestSimpleTaskRunner())) {}
+            new base::TestSimpleTaskRunner())) {
+    flow_.SetPartialNetworkTrafficAnnotation(
+        PARTIAL_TRAFFIC_ANNOTATION_FOR_TESTS);
+  }
 
   void SetUp() override {
     // The TestURLFetcherFactory will override the global URLFetcherFactory for