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

components/autofill/content/renderer/form_cache.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_AUTOFILL_CONTENT_RENDERER_FORM_CACHE_H_
 #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_FORM_CACHE_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 33 matching lines @@
 
   // Clears the values of all input elements in the form that contains
   // |element|.  Returns false if the form is not found.
   bool ClearFormWithElement(const blink::WebFormControlElement& element);
 
   // For each field in the |form|, sets the title to include the field's
   // heuristic type, server type, and signature; as well as the form's signature
   // 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
   // logs warning messages for deprecated attribute if
   // |log_deprecation_messages| is set.
   size_t ScanFormControlElements(
       const std::vector<blink::WebFormControlElement>& control_elements,
       bool log_deprecation_messages);
 
   // Saves initial state of checkbox and select elements.
@@ skipping 16 matching lines @@
 
   // The cached initial values for checkable <input> elements.
   std::map<const blink::WebInputElement, bool> initial_checked_state_;
 
   DISALLOW_COPY_AND_ASSIGN(FormCache);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_RENDERER_FORM_CACHE_H_