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..0c51f77af12205a84129d2a8bc2841de5d27ba61 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 {
@@ -34,7 +35,28 @@ void CryptAuthApiCallFlow::Start(const GURL& request_url,
   serialized_request_ = serialized_request;
   result_callback_ = result_callback;
   error_callback_ = error_callback;
-  OAuth2ApiCallFlow::Start(context, access_token);
+  net::NetworkTrafficAnnotationTag traffic_annotation =
+      net::DefineNetworkTrafficAnnotation("...", R"(
+        semantics {
+          sender: "..."
+          description: "..."

[Tim Song, 2017/05/17 19:10:37]

This class is a generic wrapper for all API calls we make to the CryptAuth
service, so it encompasses a number of use cases. We would need to annotate each
instantiation of this class (or provide some enums) in order to properly
describe what each call is doing.

[Ramin Halavati, 2017/05/24 13:04:41]

Done.

+          trigger: "..."
+          data: "..."
+          destination: WEBSITE/GOOGLE_OWNED_SERVICE/OTHER/LOCAL
+        }
+        policy {
+          cookies_allowed: false/true
+          cookies_store: "..."
+          setting: "..."
+          chrome_policy {
+            [POLICY_NAME] {
+              policy_options {mode: MANDATORY/RECOMMENDED/UNSET}
+              [POLICY_NAME]: ... //(value to disable it)
+            }
+          }
+          policy_exception_justification: "..."
+        })");
+  OAuth2ApiCallFlow::Start(context, access_token, traffic_annotation);
 }
 
 GURL CryptAuthApiCallFlow::CreateApiCallUrl() {