Add metrics to measure time elapsed between form load and form submission with or without Autofill.

chrome/browser/autofill/autofill_manager.h

 // Copyright (c) 2011 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 <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/string16.h"
+#include "base/time.h"
 #include "chrome/browser/autofill/autofill_download.h"
 #include "chrome/browser/autofill/field_types.h"
 #include "chrome/browser/autofill/form_structure.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 
 class AutofillField;
 class AutofillProfile;
 class AutofillMetrics;
 class CreditCard;
 class PersonalDataManager;
@@ skipping 76 matching lines @@
   // cards sent to and from the renderer process.
   virtual int GUIDToID(const GUIDPair& guid);
   virtual const GUIDPair 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 GUIDPair& cc_guid, const GUIDPair& profile_guid);
   void UnpackGUIDs(int id, GUIDPair* cc_guid, GUIDPair* profile_guid);
 
  private:
-  void OnFormSubmitted(const webkit_glue::FormData& form);
-  void OnFormsSeen(const std::vector<webkit_glue::FormData>& forms);
+  void OnFormSubmitted(const webkit_glue::FormData& form,
+                       const base::TimeTicks& timestamp);
+  void OnFormsSeen(const std::vector<webkit_glue::FormData>& forms,
+                   const base::TimeTicks& timestamp);
   void OnTextFieldDidChange(const webkit_glue::FormData& form,
-                            const webkit_glue::FormField& field);
+                            const webkit_glue::FormField& field,
+                            const base::TimeTicks& timestamp);
   void OnQueryFormFieldAutofill(int query_id,
                                 const webkit_glue::FormData& form,
                                 const webkit_glue::FormField& field);
   void OnFillAutofillFormData(int query_id,
                               const webkit_glue::FormData& form,
                               const webkit_glue::FormField& field,
                               int unique_id);
   void OnShowAutofillDialog();
   void OnDidPreviewAutofillFormData();
-  void OnDidFillAutofillFormData();
+  void OnDidFillAutofillFormData(const base::TimeTicks& timestamp);
   void OnDidShowAutofillSuggestions(bool is_new_popup);
 
   // 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) const WARN_UNUSED_RESULT;
 
   // Fills |form_structure| cached element corresponding to |form|.
   // Returns false if the cached element was not found.
@@ skipping 52 matching lines @@
                             size_t variant,
                             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
   // |submitted_form|.
   void DeterminePossibleFieldTypesForUpload(FormStructure* submitted_form);
 
+  // If |initial_interaction_timestamp_| is unset or is set to a later time than
+  // |interaction_timestamp|, updates the cached timestamp.  The latter check is
+  // needed because IPC messages can arrive out of order.
+  void UpdateInitialInteractionTimestamp(
+      const base::TimeTicks& interaction_timestamp);
+
   // The owning TabContentsWrapper.
   TabContentsWrapper* tab_contents_wrapper_;
 
   // The personal data manager, used to save and load personal data to/from the
   // web database.  This is overridden by the AutofillManagerTest.
   // Weak reference.
   // May be NULL.  NULL indicates OTR.
   PersonalDataManager* personal_data_;
 
   std::list<std::string> autofilled_form_signatures_;
@@ skipping 14 matching lines @@
   bool has_logged_address_suggestions_count_;
   // Have we shown Autofill suggestions at least once?
   bool did_show_suggestions_;
   // Has the user manually edited at least one form field among the autofillable
   // ones?
   bool user_did_type_;
   // Has the user autofilled a form on this page?
   bool user_did_autofill_;
   // Has the user edited a field that was previously autofilled?
   bool user_did_edit_autofilled_field_;
+  // When the page finished loading.
+  base::TimeTicks forms_loaded_timestamp_;
+  // When the user first interacted with a potentially fillable form on this
+  // page.
+  base::TimeTicks initial_interaction_timestamp_;
 
   // Our copy of the form data.
   ScopedVector<FormStructure> form_structures_;
 
   // GUID to ID mapping.  We keep two maps to convert back and forth.
   std::map<GUIDPair, int> guid_id_map_;
   std::map<int, GUIDPair> id_guid_map_;
 
   friend class AutofillManagerTest;
   friend class FormStructureBrowserTest;
@@ skipping 24 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, AutofillIsEnabledAtPageLoad);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest,
                            NoQualityMetricsForNonAutofillableForms);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, QualityMetrics);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, QualityMetricsForFailure);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, QualityMetricsWithExperimentId);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, SaneMetricsWithCacheMismatch);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest,
                            UserHappinessFormLoadAndSubmission);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, UserHappinessFormInteraction);
+  FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, FormFillDuration);
 
   DISALLOW_COPY_AND_ASSIGN(AutofillManager);
 };
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_MANAGER_H_