Add more UMAs for Instance ID

google_apis/gcm/engine/registration_request.h

Index: google_apis/gcm/engine/registration_request.h
diff --git a/google_apis/gcm/engine/registration_request.h b/google_apis/gcm/engine/registration_request.h
index c4c3ae7c063a3216a1228e14358f04479d97238e..96d77fd36cfa156ee4f167e1b3e69f460b9a814d 100644
--- a/google_apis/gcm/engine/registration_request.h
+++ b/google_apis/gcm/engine/registration_request.h
@@ -87,6 +87,11 @@ class GCM_EXPORT RegistrationRequest : public net::URLFetcherDelegate {
     // RegistrationRequest::BuildRequestBody to append more custom info to
     // |body|. Note that the request body is encoded in HTTP form format.
     virtual void BuildRequestBody(std::string* body) = 0;
+
+    // Reports various UMAs, including status, retry count and completion time.
+    virtual void ReportUMAs(Status status,
+                            int retry_count,
+                            base::TimeDelta complete_time) = 0;
   };
 
   RegistrationRequest(