Add autofill metrics to dig into the failure case.

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 68 matching lines @@
  protected:
   // For tests.
   AutoFillManager(TabContents* tab_contents,
                   PersonalDataManager* personal_data);
 
   const AutoFillMetrics* metric_logger() const {
     return metric_logger_.get();
   }
   void set_metric_logger(const AutoFillMetrics* metric_logger);
 
+  ScopedVector<FormStructure>* form_structures() { return &form_structures_; }
+
   // Maps GUIDs to and from IDs that are used to identify profiles and credit
   // cards sent to and from the renderer process.
   virtual int GUIDToID(const std::string& guid);
   virtual const std::string IDToGUID(int id);
 
   // Methods for packing and unpacking credit card and profile IDs for sending
   // and receiving to and from the renderer process.
   int PackGUIDs(const std::string& cc_guid, const std::string& profile_guid);
   void UnpackGUIDs(int id, std::string* cc_guid, std::string* profile_guid);
 
@@ skipping 63 matching lines @@
   // Set |field| argument's value for phone number based on contents of the
   // |profile|.
   void FillPhoneNumberField(const AutoFillProfile* profile,
                             webkit_glue::FormField* field);
 
   // Parses the forms using heuristic matching and querying the AutoFill server.
   void ParseForms(const std::vector<webkit_glue::FormData>& forms);
 
   // Uses existing personal data to determine possible field types for the
   // |upload_form_structure_|.
-  void DeterminePossibleFieldTypesForUpload();
+  void DeterminePossibleFieldTypesForUpload(
+      const FormStructure* cached_upload_form_structure);
 
   // The TabContents hosting this AutoFillManager.
   // Weak reference.
   // May not be NULL.
   TabContents* tab_contents_;
 
   // The personal data manager, used to save and load personal data to/from the
   // web database.  Lazily created (in non-test case) since it uses a lot of
   // memory.
   // Weak reference.
@@ skipping 31 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, QualityMetricsForFailure);
 
   DISALLOW_COPY_AND_ASSIGN(AutoFillManager);
 };
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_MANAGER_H_