Add functions to the passwords private api that update the lists.

chrome/test/data/extensions/api_test/passwords_private/test.js

Index: chrome/test/data/extensions/api_test/passwords_private/test.js
diff --git a/chrome/test/data/extensions/api_test/passwords_private/test.js b/chrome/test/data/extensions/api_test/passwords_private/test.js
index cd8876d24ed5058024db02bc3bc67019c09acbbb..cc2faa98670615478e089bd6fda46b805a907292 100644
--- a/chrome/test/data/extensions/api_test/passwords_private/test.js
+++ b/chrome/test/data/extensions/api_test/passwords_private/test.js
@@ -64,6 +64,27 @@ var availableTests = [
     chrome.passwordsPrivate.requestPlaintextPassword(
         {originUrl: 'http://www.test.com', username: 'test@test.com'});
   },
+
+  function requestSavedPasswordList() {
+    var callback = function() {
+      // Ensure that the callback is invoked.
+      chrome.test.succeed();
+    };
+
+    chrome.passwordsPrivate.onSavedPasswordsListChanged.addListener(callback);
+    chrome.passwordsPrivate.requestSavedPasswordList();
+  },
+
+  function requestPasswordExceptionList() {
+    var callback = function() {
+      // Ensure that the callback is invoked.
+      chrome.test.succeed();
+    };
+
+    chrome.passwordsPrivate.onPasswordExceptionsListChanged.addListener(
+        callback);
+    chrome.passwordsPrivate.requestPasswordExceptionList();
+  },
 ];
 
 var testToRun = window.location.search.substring(1);