Add an IsBootstrapped method to the SiteEngagementService.

chrome/browser/engagement/site_engagement_service.cc

 // Copyright 2015 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_service.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <cmath>
 #include <utility>
@@ skipping 108 matching lines @@
 double SiteEngagementScore::param_values[] = {
     5,     // MAX_POINTS_PER_DAY
     7,     // DECAY_PERIOD_IN_DAYS
     5,     // DECAY_POINTS
     0.5,   // NAVIGATION_POINTS
     0.2,   // USER_INPUT_POINTS
     0.02,  // VISIBLE_MEDIA_POINTS
     0.01,  // HIDDEN_MEDIA_POINTS
     5,     // WEB_APP_INSTALLED_POINTS
     0.5,   // FIRST_DAILY_ENGAGEMENT
+    30,    // BOOTSTRAP_POINTS

[dominickn, 2016/02/04 03:11:24]

Nit: as discussed offline wrt UMA stats, change this to 8.

[calamity, 2016/02/04 23:09:09]

Done.

 };
 
 const char* SiteEngagementScore::kRawScoreKey = "rawScore";
 const char* SiteEngagementScore::kPointsAddedTodayKey = "pointsAddedToday";
 const char* SiteEngagementScore::kLastEngagementTimeKey = "lastEngagementTime";
 const char* SiteEngagementScore::kLastShortcutLaunchTimeKey =
     "lastShortcutLaunchTime";
 
 double SiteEngagementScore::GetMaxPointsPerDay() {
   return param_values[MAX_POINTS_PER_DAY];
@@ skipping 24 matching lines @@
 }
 
 double SiteEngagementScore::GetWebAppInstalledPoints() {
   return param_values[WEB_APP_INSTALLED_POINTS];
 }
 
 double SiteEngagementScore::GetFirstDailyEngagementPoints() {
   return param_values[FIRST_DAILY_ENGAGEMENT];
 }
 
+double SiteEngagementScore::GetBootstrapPoints() {
+  return param_values[BOOTSTRAP_POINTS];
+}
+
 void SiteEngagementScore::UpdateFromVariations() {
   double param_vals[MAX_VARIATION];
 
   for (int i = 0; i < MAX_VARIATION; ++i) {
     std::string param_string = variations::GetVariationParamValue(
         SiteEngagementService::kEngagementParams, kVariationNames[i]);
 
     // Bail out if we didn't get a param string for the key, or if we couldn't
     // convert the param string to a double, or if we get a negative value.
     if (param_string.empty() ||
@@ skipping 144 matching lines @@
 
 void SiteEngagementScore::SetParamValuesForTesting() {
   param_values[MAX_POINTS_PER_DAY] = 5;
   param_values[DECAY_PERIOD_IN_DAYS] = 7;
   param_values[DECAY_POINTS] = 5;
   param_values[NAVIGATION_POINTS] = 0.5;
   param_values[USER_INPUT_POINTS] = 0.05;
   param_values[VISIBLE_MEDIA_POINTS] = 0.02;
   param_values[HIDDEN_MEDIA_POINTS] = 0.01;
   param_values[WEB_APP_INSTALLED_POINTS] = 5;
+  param_values[BOOTSTRAP_POINTS] = 30;
 
   // This is set to zero to avoid interference with tests and is set when
   // testing this functionality.
   param_values[FIRST_DAILY_ENGAGEMENT] = 0;
 }
 
 const char SiteEngagementService::kEngagementParams[] = "SiteEngagement";
 
 // static
 SiteEngagementService* SiteEngagementService::Get(Profile* profile) {
@@ skipping 165 matching lines @@
 
     scoped_ptr<base::DictionaryValue> score_dict =
         GetScoreDictForOrigin(settings_map, origin);
     SiteEngagementScore score(clock_.get(), *score_dict);
     score_map[origin] = score.Score();
   }
 
   return score_map;
 }
 
+bool SiteEngagementService::IsBootstrapped() {
+  return GetTotalEngagementPoints() >=
+         SiteEngagementScore::GetBootstrapPoints();
+}
+
 SiteEngagementService::SiteEngagementService(Profile* profile,
                                              scoped_ptr<base::Clock> clock)
     : profile_(profile), clock_(std::move(clock)), weak_factory_(this) {
   // May be null in tests.
   history::HistoryService* history = HistoryServiceFactory::GetForProfile(
       profile, ServiceAccessType::IMPLICIT_ACCESS);
   if (history)
     history->AddObserver(this);
 }
 
@@ skipping 134 matching lines @@
       HostContentSettingsMapFactory::GetForProfile(profile_);
   for (const auto& origin_to_count : origin_counts) {
     if (origin_to_count.second != 0)
       continue;
 
     settings_map->SetWebsiteSettingDefaultScope(
         origin_to_count.first, GURL(), CONTENT_SETTINGS_TYPE_SITE_ENGAGEMENT,
         std::string(), nullptr);
   }
 }