Update user input event's engagement value.

chrome/browser/engagement/site_engagement_service.cc

Index: chrome/browser/engagement/site_engagement_service.cc
diff --git a/chrome/browser/engagement/site_engagement_service.cc b/chrome/browser/engagement/site_engagement_service.cc
index 8b3a26405e3f25c69df28c98b929404d520faf18..1a78633c7c18b8c5eff45a01909d94750b72639a 100644
--- a/chrome/browser/engagement/site_engagement_service.cc
+++ b/chrome/browser/engagement/site_engagement_service.cc
@@ -121,7 +121,7 @@ double SiteEngagementScore::param_values[] = {
     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
@@ -325,7 +325,15 @@ double SiteEngagementScore::BonusScore() const {
   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.

 }