Use AggressiveAccumulation Site Engagement values as the default.

chrome/browser/engagement/site_engagement_score.cc

 // Copyright 2016 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.
 
 #include "chrome/browser/engagement/site_engagement_score.h"
 
 #include <cmath>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 53 matching lines @@
 
 // static
 SiteEngagementScore::ParamValues& SiteEngagementScore::GetParamValues() {
   CR_DEFINE_STATIC_LOCAL(ParamValues, param_values, (BuildParamValues()));
   return param_values;
 }
 
 // static
 SiteEngagementScore::ParamValues SiteEngagementScore::BuildParamValues() {
   SiteEngagementScore::ParamValues param_values;
-  param_values[MAX_POINTS_PER_DAY] = {"max_points_per_day", 5};
-  param_values[DECAY_PERIOD_IN_HOURS] = {"decay_period_in_hours", 7 * 24};
-  param_values[DECAY_POINTS] = {"decay_points", 5};
-  param_values[DECAY_PROPORTION] = {"decay_proportion", 1};
-  param_values[SCORE_CLEANUP_THRESHOLD] = {"score_cleanup_threshold", 0};
-  param_values[NAVIGATION_POINTS] = {"navigation_points", 0.5};
-  param_values[USER_INPUT_POINTS] = {"user_input_points", 0.2};
-  param_values[VISIBLE_MEDIA_POINTS] = {"visible_media_playing_points", 0.02};
+  param_values[MAX_POINTS_PER_DAY] = {"max_points_per_day", 15};
+  param_values[DECAY_PERIOD_IN_HOURS] = {"decay_period_in_hours", 2};
+  param_values[DECAY_POINTS] = {"decay_points", 0};
+  param_values[DECAY_PROPORTION] = {"decay_proportion", 0.984};
+  param_values[SCORE_CLEANUP_THRESHOLD] = {"score_cleanup_threshold", 0.5};
+  param_values[NAVIGATION_POINTS] = {"navigation_points", 1.5};
+  param_values[USER_INPUT_POINTS] = {"user_input_points", 0.6};
+  param_values[VISIBLE_MEDIA_POINTS] = {"visible_media_playing_points", 0.06};
   param_values[HIDDEN_MEDIA_POINTS] = {"hidden_media_playing_points", 0.01};
   param_values[WEB_APP_INSTALLED_POINTS] = {"web_app_installed_points", 5};
-  param_values[FIRST_DAILY_ENGAGEMENT] = {"first_daily_engagement_points", 0.5};
-  param_values[BOOTSTRAP_POINTS] = {"bootstrap_points", 8};
-  param_values[MEDIUM_ENGAGEMENT_BOUNDARY] = {"medium_engagement_boundary", 5};
+  param_values[FIRST_DAILY_ENGAGEMENT] = {"first_daily_engagement_points", 1.5};
+  param_values[BOOTSTRAP_POINTS] = {"bootstrap_points", 24};
+  param_values[MEDIUM_ENGAGEMENT_BOUNDARY] = {"medium_engagement_boundary", 15};
   param_values[HIGH_ENGAGEMENT_BOUNDARY] = {"high_engagement_boundary", 50};
-  param_values[MAX_DECAYS_PER_SCORE] = {"max_decays_per_score", 1};
+  param_values[MAX_DECAYS_PER_SCORE] = {"max_decays_per_score", 4};
   param_values[LAST_ENGAGEMENT_GRACE_PERIOD_IN_HOURS] = {
-      "last_engagement_grace_period_in_hours", 72};
+      "last_engagement_grace_period_in_hours", 1};
   return param_values;
 }
 
 double SiteEngagementScore::GetMaxPointsPerDay() {
   return GetParamValues()[MAX_POINTS_PER_DAY].second;
 }
 
 double SiteEngagementScore::GetDecayPeriodInHours() {
   return GetParamValues()[DECAY_PERIOD_IN_HOURS].second;
 }
@@ skipping 262 matching lines @@
   GetParamValues()[HIGH_ENGAGEMENT_BOUNDARY].second = 50;
   GetParamValues()[MAX_DECAYS_PER_SCORE].second = 1;
   GetParamValues()[LAST_ENGAGEMENT_GRACE_PERIOD_IN_HOURS].second = 72;
 
   // This is set to values that avoid interference with tests and are set when
   // testing these features.
   GetParamValues()[FIRST_DAILY_ENGAGEMENT].second = 0;
   GetParamValues()[DECAY_PROPORTION].second = 1;
   GetParamValues()[SCORE_CLEANUP_THRESHOLD].second = 0;
 }