Remove implicit update when adding a listener in passwords private API.

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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This just tests the interface. It does not test for specific results, only
 // that callbacks are correctly invoked, expected parameters are correct,
 // and failures are detected.
 
 var availableTests = [
   function removeSavedPassword() {
@@ skipping 11 matching lines @@
       } else if (numCalls == 2) {
         chrome.test.assertEq(
             savedPasswordsList.length, numSavedPasswords - 1);
         chrome.test.succeed();
       } else {
         chrome.test.fail();
       }
     };
 
     chrome.passwordsPrivate.onSavedPasswordsListChanged.addListener(callback);
+    chrome.passwordsPrivate.getSavedPasswordList(callback);
   },
 
   function removePasswordException() {
     var numCalls = 0;
     var numPasswordExceptions;
     var callback = function(passwordExceptionsList) {
       numCalls++;
 
       if (numCalls == 1) {
         numPasswordExceptions = passwordExceptionsList.length;
         chrome.passwordsPrivate.removePasswordException(
             passwordExceptionsList[0]);
       } else if (numCalls == 2) {
         chrome.test.assertEq(
             passwordExceptionsList.length, numPasswordExceptions - 1);
         chrome.test.succeed();
       } else {
         chrome.test.fail();
       }
     };
 
     chrome.passwordsPrivate.onPasswordExceptionsListChanged.addListener(
         callback);
+    chrome.passwordsPrivate.getPasswordExceptionList(callback);
   },
 
   function requestPlaintextPassword() {
     var callback = function() {
       // Ensure that the callback is invoked.
       chrome.test.succeed();
     };
 
     chrome.passwordsPrivate.onPlaintextPasswordRetrieved.addListener(callback);
     chrome.passwordsPrivate.requestPlaintextPassword(
@@ skipping 18 matching lines @@
     };
 
     chrome.passwordsPrivate.getPasswordExceptionList(callback);
   },
 ];
 
 var testToRun = window.location.search.substring(1);
 chrome.test.runTests(availableTests.filter(function(op) {
   return op.name == testToRun;
 }));