Network traffic annotation added to OAuth2ApiCallFlow and its subclasses.

components/cryptauth/cryptauth_client_impl_unittest.cc

Index: components/cryptauth/cryptauth_client_impl_unittest.cc
diff --git a/components/cryptauth/cryptauth_client_impl_unittest.cc b/components/cryptauth/cryptauth_client_impl_unittest.cc
index 20224c002950045b539eb27c67b0fa9814d493a0..7517305af192c785c7ff271c188c83d5360e3e9b 100644
--- a/components/cryptauth/cryptauth_client_impl_unittest.cc
+++ b/components/cryptauth/cryptauth_client_impl_unittest.cc
@@ -63,7 +63,9 @@ class FakeCryptAuthAccessTokenFetcher : public CryptAuthAccessTokenFetcher {
 // Mock CryptAuthApiCallFlow, which handles the HTTP requests to CryptAuth.
 class MockCryptAuthApiCallFlow : public CryptAuthApiCallFlow {
  public:
-  MockCryptAuthApiCallFlow() : CryptAuthApiCallFlow() {}
+  MockCryptAuthApiCallFlow() : CryptAuthApiCallFlow() {
+    SetPartialNetworkTrafficAnnotation(PARTIAL_TRAFFIC_ANNOTATION_FOR_TESTS);
+  }
   virtual ~MockCryptAuthApiCallFlow() {}
 
   MOCK_METHOD6(Start,