[Password Manager] Correct the documentation within PasswordFormFillData struct for form origin and…

components/autofill/core/common/password_form.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_CORE_COMMON_PASSWORD_FORM_H__
 #define COMPONENTS_AUTOFILL_CORE_COMMON_PASSWORD_FORM_H__
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 55 matching lines @@
   // m.example.com, foo.login.example.com and www.example.com would all resolve
   // to example.com since .com is the public suffix.
   // 3) The scheme is the same.
   // 4) The port is the same.
   // For example, if there exists a stored password for http://www.example.com
   // (where .com is the public suffix) and the observed form is
   // http://m.example.com, |original_signon_realm| must be set to
   // http://www.example.com.
   std::string original_signon_realm;
 
-  // The URL (minus query parameters) containing the form. This is the primary
-  // data used by the PasswordManager to decide (in longest matching prefix
-  // fashion) whether or not a given PasswordForm result from the database is a
-  // good fit for a particular form on a page, so it must not be empty.
+  // An origin URL consists of the scheme, host, port and path; the rest is
+  // stripped. This is the primary data used by the PasswordManager to decide
+  // (in longest matching prefix fashion) whether or not a given PasswordForm
+  // result from the database is a good fit for a particular form on a page, so
+  // it must not be empty.
   GURL origin;
 
-  // The action target of the form. This is the primary data used by the
-  // PasswordManager for form autofill; that is, the action of the saved
+  // The action target of the form; like |origin| URL consists of the scheme,
+  // host, port and path; the rest is stripped. This is the primary data used by
+  // the PasswordManager for form autofill; that is, the action of the saved
   // credentials must match the action of the form on the page to be autofilled.
-  // If this is empty / not available, it will result in a "restricted"
-  // IE-like autofill policy, where we wait for the user to type in his
-  // username before autofilling the password. In these cases, after successful
-  // login the action URL will automatically be assigned by the
-  // PasswordManager.
+  // If this is empty / not available, it will result in a "restricted" IE-like
+  // autofill policy, where we wait for the user to type in his username before
+  // autofilling the password. In these cases, after successful login the action
+  // URL will automatically be assigned by the PasswordManager.
   //
   // When parsing an HTML form, this must always be set.
   GURL action;
 
   // The name of the submit button used. Optional; only used in scoring
   // of PasswordForm results from the database to make matches as tight as
   // possible.
   //
   // When parsing an HTML form, this must always be set.
   base::string16 submit_element;
@@ skipping 133 matching lines @@
 
 typedef std::map<base::string16, const PasswordForm*> ConstPasswordFormMap;
 
 // For testing.
 std::ostream& operator<<(std::ostream& os,
                          const autofill::PasswordForm& form);
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_COMMON_PASSWORD_FORM_H__