Added browser and OS credits link to EULA page.

chrome/browser/resources/chromeos/login/oobe_screen_eula.js

Index: chrome/browser/resources/chromeos/login/oobe_screen_eula.js
diff --git a/chrome/browser/resources/chromeos/login/oobe_screen_eula.js b/chrome/browser/resources/chromeos/login/oobe_screen_eula.js
index 8a30335dc3d25794fdd967a50459e819d618c44f..7cafec281cb52b082a7ffa508255b1adf0eb6ef3 100644
--- a/chrome/browser/resources/chromeos/login/oobe_screen_eula.js
+++ b/chrome/browser/resources/chromeos/login/oobe_screen_eula.js
@@ -10,6 +10,8 @@ login.createScreen('EulaScreen', 'eula', function() {
   return {
     /** @override */
     decorate: function() {
+      $('eula-chrome-credits-link').hidden = true;
+      $('eula-chromeos-credits-link').hidden = true;
       $('stats-help-link').addEventListener('click', function(event) {
         chrome.send('eulaOnLearnMore');
       });
@@ -106,6 +108,19 @@ login.createScreen('EulaScreen', 'eula', function() {
                                            $('accept-button');
     },
 
+    enableKeyboardFlow: function() {
+      $('eula-chrome-credits-link').hidden = false;
+      $('eula-chromeos-credits-link').hidden = false;
+      $('eula-chrome-credits-link').addEventListener('click',
+          function(event) {
+            chrome.send('eulaOnChromeCredits');
+          });
+      $('eula-chromeos-credits-link').addEventListener('click',
+          function(event) {
+            chrome.send('eulaOnChromeOSCredits');
+          });
+    },
+
     /**
      * Updates localized content of the screen that is not updated via template.
      */