Display a warning when autofill is disabled for a website.

chrome/browser/autofill/form_structure.h

 // Copyright (c) 2009 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 CHROME_BROWSER_AUTOFILL_FORM_STRUCTURE_H_
 #define CHROME_BROWSER_AUTOFILL_FORM_STRUCTURE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 43 matching lines @@
   // Parses the field types from the server query response. |forms| must be the
   // same as the one passed to EncodeQueryRequest when constructing the query.
   static void ParseQueryResponse(const std::string& response_xml,
                                  const std::vector<FormStructure*>& forms,
                                  UploadRequired* upload_required);
 
   // The unique signature for this form, composed of the target url domain,
   // the form name, and the form field names in a 64-bit hash.
   std::string FormSignature() const;
 
-  // Runs a quick heuristic to rule out pages but obviously not auto-fillable,
-  // like google/yahoo/msn search, etc.
-  bool IsAutoFillable() const;
+  // Runs a quick heuristic to rule out forms that are obviously not
+  // auto-fillable, like google/yahoo/msn search, etc. The requirement that the
+  // form's method be POST is only applied if |require_method_post| is true.
+  bool IsAutoFillable(bool require_method_post) const;
 
   // Returns true if at least one of the form fields relevant for AutoFill
   // is not empty.
   bool HasAutoFillableValues() const;
 
-  // Returns true if at least one of the form fields is a billing field, which
-  // includes billing address fields and credit card fields.
-  bool HasBillingFields() const;
-
-  // Returns true if at least one of the form fields is a non-billing field,
-  // which includes billing address fields and credit card fields.
-  bool HasNonBillingFields() const;
-
   // Resets |autofill_count_| and counts the number of auto-fillable fields.
   // This is used when we receive server data for form fields.  At that time,
   // we may have more known fields than just the number of fields we matched
   // heuristically.
   void UpdateAutoFillCount();
 
   // Returns true if this form matches the structural requirements for AutoFill.
-  bool ShouldBeParsed() const;
+  // The requirement that the form's method be POST is only applied if
+  // |require_method_post| is true.
+  bool ShouldBeParsed(bool require_method_post) const;
 
   // Sets the possible types for the field at |index|.
   void set_possible_types(int index, const FieldTypeSet& types);
 
   const AutoFillField* field(int index) const;
   size_t field_count() const;
 
   // Returns the number of fields that are able to be autofilled.
   size_t autofill_count() const { return autofill_count_; }
 
@@ skipping 53 matching lines @@
   // character. E.g.: "&form_input1_name&form_input2_name&...&form_inputN_name"
   std::string form_signature_field_names_;
 
   // GET or POST.
   RequestMethod method_;
 
   DISALLOW_COPY_AND_ASSIGN(FormStructure);
 };
 
 #endif  // CHROME_BROWSER_AUTOFILL_FORM_STRUCTURE_H_