Refactoring PasswordAutofillAgent::FillUserNameAndPassword function.

components/autofill/content/renderer/password_autofill_agent.h

Index: components/autofill/content/renderer/password_autofill_agent.h
diff --git a/components/autofill/content/renderer/password_autofill_agent.h b/components/autofill/content/renderer/password_autofill_agent.h
index b6ab805249072b320e82ee9c9fa01dbc0b81acc1..292abab35ad687ca907e133233b615b741c68cfc 100644
--- a/components/autofill/content/renderer/password_autofill_agent.h
+++ b/components/autofill/content/renderer/password_autofill_agent.h
@@ -180,6 +180,20 @@ class PasswordAutofillAgent : public content::RenderViewObserver {
                                bool exact_username_match,
                                bool set_selection);
 
+  // Helper function to check additional names for a match in login collection.
+  void CheckLoginCollectionForMatch(const PasswordFormFillData& fill_data,
+                                    const base::string16 current_username,
+                                    const bool exact_username_match,
+                                    base::string16& username,
+                                    base::string16& password);
+
+  // Helper function to check names for a match in usernames collection.
+  void CheckUsernamesCollectionForMatch(const PasswordFormFillData& fill_data,
+                                        const base::string16 current_username,
+                                        const bool exact_username_match,
+                                        base::string16& username,
+                                        base::string16& password);
+
   // Fills |login_input| and |password| with the most relevant suggestion from
   // |fill_data| and shows a popup with other suggestions.
   void PerformInlineAutocomplete(