UKM that threads together multiple form interaction events.

components/autofill/core/browser/form_structure.h

 // Copyright 2013 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 COMPONENTS_AUTOFILL_CORE_BROWSER_FORM_STRUCTURE_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_FORM_STRUCTURE_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
 #include "components/autofill/core/browser/autofill_field.h"
+#include "components/autofill/core/browser/autofill_metrics.h"
 #include "components/autofill/core/browser/autofill_type.h"
 #include "components/autofill/core/browser/field_types.h"
 #include "components/autofill/core/browser/proto/server.pb.h"
 #include "url/gurl.h"
 
 enum UploadRequired {
   UPLOAD_NOT_REQUIRED,
   UPLOAD_REQUIRED,
   USE_UPLOAD_RATES
 };
@@ skipping 94 matching lines @@
                        const bool apply_is_autofilled);
 
   // Logs quality metrics for |this|, which should be a user-submitted form.
   // This method should only be called after the possible field types have been
   // set for each field.  |interaction_time| should be a timestamp corresponding
   // to the user's first interaction with the form.  |submission_time| should be
   // a timestamp corresponding to the form's submission. |observed_submission|
   // indicates whether this method is called as a result of observing a
   // submission event (otherwise, it may be that an upload was triggered after
   // a form was unfocused or a navigation occurred).
-  void LogQualityMetrics(const base::TimeTicks& load_time,
-                         const base::TimeTicks& interaction_time,
-                         const base::TimeTicks& submission_time,
-                         rappor::RapporServiceImpl* rappor_service,
-                         bool did_show_suggestions,
-                         bool observed_submission) const;
+  AutofillMetrics::AutofillFormSubmittedState LogQualityMetrics(
+      const base::TimeTicks& load_time,
+      const base::TimeTicks& interaction_time,
+      const base::TimeTicks& submission_time,
+      rappor::RapporServiceImpl* rappor_service,
+      bool did_show_suggestions,
+      bool observed_submission) const;
 
   // Log the quality of the heuristics and server predictions for this form
   // structure, if autocomplete attributes are present on the fields (they are
   // used as golden truths).
   void LogQualityMetricsBasedOnAutocomplete() const;
 
   // Classifies each field in |fields_| based upon its |autocomplete| attribute,
   // if the attribute is available.  The association is stored into the field's
   // |heuristic_type|.
   // Fills |has_author_specified_types_| with |true| if the attribute is
@@ skipping 177 matching lines @@
   // 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.
   FormSignature form_signature_;
 
   DISALLOW_COPY_AND_ASSIGN(FormStructure);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_FORM_STRUCTURE_H_