Use commitAllowingStateLoss() for showing sync confirmation dialogs

chrome/android/java/src/org/chromium/chrome/browser/signin/ConfirmManagedSyncDataDialog.java

Index: chrome/android/java/src/org/chromium/chrome/browser/signin/ConfirmManagedSyncDataDialog.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/signin/ConfirmManagedSyncDataDialog.java b/chrome/android/java/src/org/chromium/chrome/browser/signin/ConfirmManagedSyncDataDialog.java
index 79f45aeb20aa2a65058f08591a2fb694fd67f4f2..9f780fd230149126847567016919bf6de152e29f 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/signin/ConfirmManagedSyncDataDialog.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/signin/ConfirmManagedSyncDataDialog.java
@@ -7,6 +7,7 @@ package org.chromium.chrome.browser.signin;
 import android.app.Dialog;
 import android.app.DialogFragment;
 import android.app.FragmentManager;
+import android.app.FragmentTransaction;
 import android.content.DialogInterface;
 import android.content.res.Resources;
 import android.os.Bundle;
@@ -108,7 +109,9 @@ public class ConfirmManagedSyncDataDialog extends DialogFragment
                 newInstance(title, description, positiveButton, negativeButton);
 
         confirmSync.setListener(callback);
-        confirmSync.show(fragmentManager, CONFIRM_IMPORT_SYNC_DATA_DIALOG_TAG);
+        FragmentTransaction transaction = fragmentManager.beginTransaction();
+        transaction.add(confirmSync, CONFIRM_IMPORT_SYNC_DATA_DIALOG_TAG);
+        transaction.commitAllowingStateLoss();
     }
 
     private static ConfirmManagedSyncDataDialog newInstance(String title, String description,