Fix crash in autofill metrics logging.

chrome/browser/autofill/autofill_manager.h

 // Copyright (c) 2010 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_AUTOFILL_MANAGER_H_
 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_MANAGER_H_
 #pragma once
 
 #include <list>
 #include <string>
@@ skipping 107 matching lines @@
   void OnShowAutoFillDialog();
   void OnDidFillAutoFillFormData();
   void OnDidShowAutoFillSuggestions();
 
   // Fills |host| with the RenderViewHost for this tab.
   // Returns false if AutoFill is disabled or if the host is unavailable.
   bool GetHost(const std::vector<AutoFillProfile*>& profiles,
                const std::vector<CreditCard*>& credit_cards,
                RenderViewHost** host) WARN_UNUSED_RESULT;
 
+  // Fills |form_structure| cached element corresponding to |form|.
+  // Returns false if the cached element was not found.
+  bool FindCachedForm(const webkit_glue::FormData& form,
+                      FormStructure** form_structure) WARN_UNUSED_RESULT;
+
   // Fills |form_structure| and |autofill_field| with the cached elements
   // corresponding to |form| and |field|. Returns false if the cached elements
   // were not found.
   bool FindCachedFormAndField(
       const webkit_glue::FormData& form,
       const webkit_glue::FormField& field,
       FormStructure** form_structure,
       AutoFillField** autofill_field) WARN_UNUSED_RESULT;
 
   // Returns a list of values from the stored profiles that match |type| and the
@@ skipping 83 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(AutoFillManagerTest, FillCreditCardForm);
   FRIEND_TEST_ALL_PREFIXES(AutoFillManagerTest, FillAddressForm);
   FRIEND_TEST_ALL_PREFIXES(AutoFillManagerTest, FillAddressAndCreditCardForm);
   FRIEND_TEST_ALL_PREFIXES(AutoFillManagerTest, FillAutoFilledForm);
   FRIEND_TEST_ALL_PREFIXES(AutoFillManagerTest, FillPhoneNumber);
   FRIEND_TEST_ALL_PREFIXES(AutoFillManagerTest, FormChangesRemoveField);
   FRIEND_TEST_ALL_PREFIXES(AutoFillManagerTest, FormChangesAddField);
   FRIEND_TEST_ALL_PREFIXES(AutoFillMetricsTest, QualityMetrics);
   FRIEND_TEST_ALL_PREFIXES(AutoFillMetricsTest,
                            NoQualityMetricsForNonAutoFillableForms);
+  FRIEND_TEST_ALL_PREFIXES(AutoFillMetricsTest, SaneMetricsWithCacheMismatch);
   FRIEND_TEST_ALL_PREFIXES(AutoFillMetricsTest, QualityMetricsForFailure);
 
   DISALLOW_COPY_AND_ASSIGN(AutoFillManager);
 };
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_MANAGER_H_