Added uma for pin unlock set up.

chrome/test/data/webui/settings/cr_settings_browsertest.js

Index: chrome/test/data/webui/settings/cr_settings_browsertest.js
diff --git a/chrome/test/data/webui/settings/cr_settings_browsertest.js b/chrome/test/data/webui/settings/cr_settings_browsertest.js
index f2ebd53bdc7f8e5b834002160241a942acceee2b..97fa514525e5cf55d1cba84cb5f22a49ecd78bca 100644
--- a/chrome/test/data/webui/settings/cr_settings_browsertest.js
+++ b/chrome/test/data/webui/settings/cr_settings_browsertest.js
@@ -197,6 +197,7 @@ CrSettingsPeoplePageQuickUnlockAuthenticateTest.prototype = {
   extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
     '../fake_chrome_event.js',
     'fake_quick_unlock_private.js',
+    'fake_quick_unlock_uma.js',
     'quick_unlock_authenticate_browsertest_chromeos.js'
   ]),
 };
@@ -227,6 +228,7 @@ CrSettingsPeoplePageLockScreenTest.prototype = {
     '../fake_chrome_event.js',
     'fake_quick_unlock_private.js',
     'fake_settings_private.js',
+    'fake_quick_unlock_uma.js',
     'quick_unlock_authenticate_browsertest_chromeos.js'
   ]),
 };
@@ -257,6 +259,7 @@ CrSettingsPeoplePageSetupPinDialogTest.prototype = {
     '../fake_chrome_event.js',
     'fake_quick_unlock_private.js',
     'fake_settings_private.js',
+    'fake_quick_unlock_uma.js',
     'quick_unlock_authenticate_browsertest_chromeos.js'
   ]),
 };