[Password Generation] Use canonical version of action in for form matching in PasswordGenerationAgen

components/autofill/content/renderer/form_autofill_util.h

Index: components/autofill/content/renderer/form_autofill_util.h
diff --git a/components/autofill/content/renderer/form_autofill_util.h b/components/autofill/content/renderer/form_autofill_util.h
index f1f84bae9234cf41f799d7832869d78016a48609..89bf5077137c4cc8de381b2a46b91774c0ecb850 100644
--- a/components/autofill/content/renderer/form_autofill_util.h
+++ b/components/autofill/content/renderer/form_autofill_util.h
@@ -75,6 +75,10 @@ class ScopedLayoutPreventer {
   DISALLOW_COPY_AND_ASSIGN(ScopedLayoutPreventer);
 };
 
+// Helper function that strips any authentication data, as well as query and
+// ref portions of URL
+GURL StripAuthAndParams(const GURL& gurl);
+
 // Extract FormData from the form element and return whether the operation was
 // successful.
 bool ExtractFormData(const blink::WebFormElement& form_element, FormData* data);