Remove instant confirmation dialog that is displayed the first time the instant checkbox is clicked.

chrome/browser/sync/test/integration/two_client_preferences_sync_test.cc

 // 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.
 
 #include "base/values.h"
 #include "chrome/browser/sync/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/preferences_helper.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "chrome/browser/translate/translate_prefs.h"
 #include "chrome/common/pref_names.h"
@@ skipping 147 matching lines @@
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
   ASSERT_TRUE(BooleanPrefMatches(prefs::kShowBookmarkBar));
 
   ChangeBooleanPref(0, prefs::kShowBookmarkBar);
   ASSERT_TRUE(GetClient(0)->AwaitMutualSyncCycleCompletion(GetClient(1)));
   ASSERT_TRUE(BooleanPrefMatches(prefs::kShowBookmarkBar));
 }
 
 IN_PROC_BROWSER_TEST_F(TwoClientPreferencesSyncTest, kEnableInstant) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
-  ASSERT_TRUE(BooleanPrefMatches(prefs::kInstantConfirmDialogShown));
   ASSERT_TRUE(BooleanPrefMatches(prefs::kInstantEnabled));
 
-  ChangeBooleanPref(0, prefs::kInstantConfirmDialogShown);
   ChangeBooleanPref(0, prefs::kInstantEnabled);
 
   ASSERT_TRUE(GetClient(0)->AwaitMutualSyncCycleCompletion(GetClient(1)));
-  ASSERT_TRUE(BooleanPrefMatches(prefs::kInstantConfirmDialogShown));
   ASSERT_TRUE(BooleanPrefMatches(prefs::kInstantEnabled));
 }
 
 // TCM ID - 3611311.
 IN_PROC_BROWSER_TEST_F(TwoClientPreferencesSyncTest, kCheckDefaultBrowser) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
   DisableVerifier();
 
   ASSERT_TRUE(BooleanPrefMatches(prefs::kCheckDefaultBrowser));
 
@@ skipping 427 matching lines @@
   ASSERT_TRUE(GetClient(0)->AwaitMutualSyncCycleCompletion(GetClient(1)));
   ASSERT_TRUE(IsEncrypted(0, syncer::PREFERENCES));
   ASSERT_TRUE(IsEncrypted(1, syncer::PREFERENCES));
   ASSERT_TRUE(BooleanPrefMatches(prefs::kHomePageIsNewTabPage));
 
   ASSERT_TRUE(BooleanPrefMatches(prefs::kShowHomeButton));
   ChangeBooleanPref(0, prefs::kShowHomeButton);
   ASSERT_TRUE(GetClient(0)->AwaitMutualSyncCycleCompletion(GetClient(1)));
   ASSERT_TRUE(BooleanPrefMatches(prefs::kShowHomeButton));
 }