Autofill: Refactoring to support fetching password after a username is selected

components/autofill/content/renderer/autofill_agent.h

Index: components/autofill/content/renderer/autofill_agent.h
diff --git a/components/autofill/content/renderer/autofill_agent.h b/components/autofill/content/renderer/autofill_agent.h
index 32d7b752f8807047487a6e43d8947a2f97aa5c7a..c465ff726a09c91f490d73d4d54e16220ffaa3fa 100644
--- a/components/autofill/content/renderer/autofill_agent.h
+++ b/components/autofill/content/renderer/autofill_agent.h
@@ -107,7 +107,8 @@ class AutofillAgent : public content::RenderViewObserver,
   void OnClearPreviewedForm();
   void OnSetNodeText(const base::string16& value);
   void OnAcceptDataListSuggestion(const base::string16& value);
-  void OnAcceptPasswordAutofillSuggestion(const base::string16& username);
+  void OnAcceptPasswordAutofillSuggestion(const base::string16& username,
+                                          const base::string16& password);
 
   // Called when interactive autocomplete finishes.
   void OnRequestAutocompleteResult(