Implement newly designed sign-in related histograms for desktop platorms.

chrome/browser/ui/webui/sync_setup_browsertest.js

 // Copyright (c) 2012 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.
 
 GEN('#if !defined(OS_CHROMEOS)');
 
 /**
  * Test fixture for sync setup WebUI testing.
  * @constructor
  * @extends {testing.Test}
@@ skipping 67 matching lines @@
         function() {
       PageManager.showPageByName('syncSetup');
     }));
   },
 };
 
 TEST_F('SyncSetupWebUITestAsync', 'VerifySignIn', function() {
   // Handle SyncSetupStartSignIn by displaying the sync setup dialog, verifying
   // that a confirmation dialog appears, and clicking OK to dismiss the dialog.
   // Note that this test doesn't actually do a gaia sign in.
-  this.mockHandler.expects(once()).SyncSetupStartSignIn().will(callFunction(
+  this.mockHandler.expects(once()).SyncSetupStartSignIn('access-point-settings').will(callFunction(
       function() {
     SyncSetupOverlay.showSyncSetupPage('configure');
     var okButton = $('confirm-everything-ok');
     assertNotEquals(null, okButton);
     okButton.click();
   }));
 
   // The test completes after the sync config is sent out.
   this.mockHandler.expects(once()).SyncSetupConfigure(ANYTHING).
       will(callFunction(testDone));
 
   // Click the "Sign in to Chrome..." button.
   this.startSyncing();
 });
 
 // Test that switching to and from "Sync everything" saves and restores types.
 TEST_F('SyncSetupWebUITestAsync', 'RestoreSyncDataTypes', function() {
-  this.mockHandler.expects(once()).SyncSetupStartSignIn().will(callFunction(
+  this.mockHandler.expects(once()).SyncSetupStartSignIn('access-point-settings').will(callFunction(
       function() {
     SyncSetupOverlay.showSyncSetupPage('configure', {});
 
     $('sync-select-datatypes').selectedIndex = 1;
     cr.dispatchSimpleEvent($('sync-select-datatypes'), 'change', true);
 
     $('bookmarks-checkbox').checked = false;
     cr.dispatchSimpleEvent($('bookmarks-checkbox'), 'change', true);
 
     $('sync-select-datatypes').selectedIndex = 0;
     cr.dispatchSimpleEvent($('sync-select-datatypes'), 'change', true);
     assertTrue($('bookmarks-checkbox').checked);
 
     $('sync-select-datatypes').selectedIndex = 1;
     cr.dispatchSimpleEvent($('sync-select-datatypes'), 'change', true);
     assertFalse($('bookmarks-checkbox').checked);
 
     testDone();
   }));
 
   this.startSyncing();
 });
 
 GEN('#endif  // OS_CHROMEOS');