Autofill: Modify various utility function to deal with unowned form fields.

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 <map>
 #include <set>
 #include <vector>
@@ skipping 14 matching lines @@
 
 struct FormData;
 struct FormDataPredictions;
 
 // Manages the forms in a RenderView.
 class FormCache {
  public:
   FormCache();
   ~FormCache();
 
-  // Get all form control elements from |elements| that are not part of a form.
-  // If |fieldsets| is not NULL, also append the fieldsets encountered that are
-  // not part of a form.
-  // Exposed for sharing with tests.
-  static std::vector<blink::WebFormControlElement>
-      GetUnownedAutofillableFormFieldElements(
-          const blink::WebElementCollection& elements,
-          std::vector<blink::WebElement>* fieldsets);
-
   // Scans the DOM in |frame| extracting and storing forms that have not been
   // seen before. Returns the extracted forms.
   std::vector<FormData> ExtractNewForms(const blink::WebFrame& frame);
 
   // Resets the forms for the specified |frame|.
   void ResetFrame(const blink::WebFrame& frame);
 
   // 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);
@@ skipping 27 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_