[Autofill] Add upstreaming UKM

components/autofill/core/browser/autofill_manager.h

Index: components/autofill/core/browser/autofill_manager.h
diff --git a/components/autofill/core/browser/autofill_manager.h b/components/autofill/core/browser/autofill_manager.h
index ef345081537bae81fdf59b20849507f7f8137dcb..748f51384c5b4b78cb12c54ca684b7172c74867f 100644
--- a/components/autofill/core/browser/autofill_manager.h
+++ b/components/autofill/core/browser/autofill_manager.h
@@ -43,6 +43,8 @@
 #define ENABLE_FORM_DEBUG_DUMP
 #endif
 
+class GURL;
+
 namespace gfx {
 class RectF;
 }
@@ -545,6 +547,7 @@ class AutofillManager : public AutofillDownloadManager::Observer,
   // Collected information about a pending upload request.
   payments::PaymentsClient::UploadRequestDetails upload_request_;
   bool user_did_accept_upload_prompt_;
+  GURL pending_upload_request_url_;
 
 #ifdef ENABLE_FORM_DEBUG_DUMP
   // The last few autofilled forms (key/value pairs) submitted, for debugging.