Update user input event's engagement value.

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 103 matching lines @@
 }
 
 }  // namespace
 
 const double SiteEngagementScore::kMaxPoints = 100;
 double SiteEngagementScore::param_values[] = {
     5,     // MAX_POINTS_PER_DAY
     7,     // DECAY_PERIOD_IN_DAYS
     5,     // DECAY_POINTS
     0.5,   // NAVIGATION_POINTS
-    0.05,  // USER_INPUT_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
 };
 
 const char* SiteEngagementScore::kRawScoreKey = "rawScore";
 const char* SiteEngagementScore::kPointsAddedTodayKey = "pointsAddedToday";
 const char* SiteEngagementScore::kLastEngagementTimeKey = "lastEngagementTime";
 const char* SiteEngagementScore::kLastShortcutLaunchTimeKey =
@@ skipping 183 matching lines @@
 
 double SiteEngagementScore::BonusScore() const {
   int days_since_shortcut_launch =
       (clock_->Now() - last_shortcut_launch_time_).InDays();
   if (days_since_shortcut_launch <= kMaxDaysSinceShortcutLaunch)
     return GetWebAppInstalledPoints();
 
   return 0;
 }
 
-void SiteEngagementScore::DisableFirstDailyEngagementBonusForTesting() {
+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[FIRST_DAILY_ENGAGEMENT] = 0;

[dominickn, 2016/01/25 03:04:57]

Nit: add a comment pointing out that first daily engagement is explicitly 0 to
not interfere with testing, and its value is changed when needed.

[calamity, 2016/01/27 03:47:22]

Done.

 }
 
 const char SiteEngagementService::kEngagementParams[] = "SiteEngagement";
 
 // static
 SiteEngagementService* SiteEngagementService::Get(Profile* profile) {
   return SiteEngagementServiceFactory::GetForProfile(profile);
 }
 
 // static
@@ skipping 315 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);
   }
 }