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..5472d5086e125f9863db8bcbfc55479e86d3d2d4 100644
--- a/chrome/browser/resources/chromeos/login/oobe_screen_eula.js
+++ b/chrome/browser/resources/chromeos/login/oobe_screen_eula.js
@@ -10,6 +10,19 @@ login.createScreen('EulaScreen', 'eula', function() {
   return {
     /** @override */
     decorate: function() {
+      if (Oobe.getInstance().forceKeyboardFlow) {
+        $('eula-chrome-credits-link').addEventListener('click',
+          function(event) {
+            chrome.send('eulaOnChromeCredits');
+        });

[xiyuan, 2014/05/13 00:28:41]

nit: } should align with functioni, i.e. indent 2 more spaces

+        $('eula-chromeos-credits-link').addEventListener('click',
+          function(event) {
+            chrome.send('eulaOnChromeOSCredits');
+        });

[xiyuan, 2014/05/13 00:28:41]

ditto

+      } else {
+        $('eula-chrome-credits-link').hidden = true;
+        $('eula-chromeos-credits-link').hidden = true;
+      }
       $('stats-help-link').addEventListener('click', function(event) {
         chrome.send('eulaOnLearnMore');
       });