[Autofill] Show a warning if the form disables Autofill.

chrome/renderer/autofill/autofill_agent.h

 // Copyright (c) 2012 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_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_
 #define CHROME_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 174 matching lines @@
   // Have we already shown Autofill suggestions for the field the user is
   // currently editing?  Used to keep track of state for metrics logging.
   bool has_shown_autofill_popup_for_current_edit_;
 
   // If true we just set the node text so we shouldn't show the popup.
   bool did_set_node_text_;
 
   base::WeakPtrFactory<AutofillAgent> weak_ptr_factory_;
 
   friend class PasswordAutofillManagerTest;
+  FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, FillFormElement);
   FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, SendForms);
-  FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, FillFormElement);
+  FRIEND_TEST_ALL_PREFIXES(ChromeRenderViewTest, ShowAutofillWarning);
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, WaitUsername);
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, SuggestionAccept);
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, SuggestionSelect);
 
   DISALLOW_COPY_AND_ASSIGN(AutofillAgent);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_