Modifying Autofill Agent to use synthetic form (i.e., formless elements) when no form is present on…

components/autofill/content/renderer/form_cache.h

Index: components/autofill/content/renderer/form_cache.h
diff --git a/components/autofill/content/renderer/form_cache.h b/components/autofill/content/renderer/form_cache.h
index 78bef2e6447bae95ae1ba4af837fdca2df62eaa6..f57a420c07da3c595ace87cf3e5a9292d26ac223 100644
--- a/components/autofill/content/renderer/form_cache.h
+++ b/components/autofill/content/renderer/form_cache.h
@@ -51,6 +51,10 @@ class FormCache {
   // and the experiment id for the server predictions.
   bool ShowPredictions(const FormDataPredictions& form);
 
+  // Returns a copy of the current state of SyntheticForm, which contains the
+  // input elements not contained inside a <form> tag.
+  FormData GetSyntheticForm();
+
  private:
   // Scans |control_elements| and returns the number of editable elements.
   // Also remembers the initial <select> and <input> element states, and