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

Index: chrome/browser/sync/test/integration/two_client_preferences_sync_test.cc
diff --git a/chrome/browser/sync/test/integration/two_client_preferences_sync_test.cc b/chrome/browser/sync/test/integration/two_client_preferences_sync_test.cc
index 01eaad2d0c38acd0ca5e9d09532a7385c35aef0a..5b7c967144ba18ecaff691a8a48b3caa93810ae2 100644
--- a/chrome/browser/sync/test/integration/two_client_preferences_sync_test.cc
+++ b/chrome/browser/sync/test/integration/two_client_preferences_sync_test.cc
@@ -165,14 +165,11 @@ IN_PROC_BROWSER_TEST_F(TwoClientPreferencesSyncTest, 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));
 }