[Autofill] Gender-neutral pronouns in comments

components/autofill/core/common/password_form.h

Index: components/autofill/core/common/password_form.h
diff --git a/components/autofill/core/common/password_form.h b/components/autofill/core/common/password_form.h
index f7ba31e1f03ca97174ca38303ea735211d62b98d..41dcef40767fa62da78e1b255ce040c4bea3b44e 100644
--- a/components/autofill/core/common/password_form.h
+++ b/components/autofill/core/common/password_form.h
@@ -100,9 +100,9 @@ struct PasswordForm {
   // the PasswordManager for form autofill; that is, the action of the saved
   // credentials must match the action of the form on the page to be autofilled.
   // If this is empty / not available, it will result in a "restricted" IE-like
-  // autofill policy, where we wait for the user to type in his username before
-  // autofilling the password. In these cases, after successful login the action
-  // URL will automatically be assigned by the PasswordManager.
+  // autofill policy, where we wait for the user to type in their username
+  // before autofilling the password. In these cases, after successful login the
+  // action URL will automatically be assigned by the PasswordManager.
   //
   // When parsing an HTML form, this must always be set.
   GURL action;