[Password Manager] Unify action and origin detection

components/autofill/content/renderer/password_form_conversion_utils.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_PASSWORD_FORM_CONVERSION_UTILS_H_
 #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_FORM_CONVERSION_UTILS_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
+#include "url/gurl.h"
 
 namespace blink {
+class WebDocument;
 class WebFormElement;
 class WebInputElement;
 class WebString;
 }
 
 namespace autofill {
 
 struct PasswordForm;
 
+// Helper functions to assist in getting the canonical form of the action and
+// origin. The action will proplerly take into account <BASE>, and both will
+// strip unnecessary data (e.g. query params and HTTP credentials).
+GURL GetCanonicalActionForForm(const blink::WebFormElement& form);
+GURL GetCanonicalOriginForDocument(const blink::WebDocument& document);
+
 // Create a PasswordForm from DOM form. Webkit doesn't allow storing
 // custom metadata to DOM nodes, so we have to do this every time an event
 // happens with a given form and compare against previously Create'd forms
 // to identify..which sucks.
 // If an element of |form| has an entry in |nonscript_modified_values|, the
 // associated string is used instead of the element's value to create
 // the PasswordForm.
 scoped_ptr<PasswordForm> CreatePasswordForm(
     const blink::WebFormElement& form,
     const std::map<const blink::WebInputElement, blink::WebString>*
         nonscript_modified_values);
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_FORM_CONVERSION_UTILS_H__