Separate state of basic and advanced tab in CBD dialog

chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/ClearBrowsingDataTabsFragment.java

 // Copyright 2017 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.
 
 package org.chromium.chrome.browser.preferences.privacy;
 
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.content.Context;
 import android.os.Bundle;
@@ skipping 12 matching lines @@
 import org.chromium.chrome.browser.preferences.Preferences;
 
 import java.util.Locale;
 
 /**
  * Fragment with a {@link TabLayout} containing a basic and an advanced version of the CBD dialog.
  */
 public class ClearBrowsingDataTabsFragment extends Fragment {
     public static final int CBD_TAB_COUNT = 2;
 
-    public ClearBrowsingDataTabsFragment() {}
+    public ClearBrowsingDataTabsFragment() {
+        // TODO(dullweber): Remove this migration after after three milestones (probably M61)
+        PrefServiceBridge.getInstance().migrateBrowsingDataPreferences();
+    }
 
+    /**
+     * @return Returns whether the CBD dialog with tabs is enabled.
+     */
     public static boolean isFeatureEnabled() {
         return ChromeFeatureList.isEnabled(ChromeFeatureList.TABS_IN_CBD);
     }
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
     }
 
     /*
@@ skipping 87 matching lines @@
             PrefServiceBridge.getInstance().setLastSelectedClearBrowsingDataTab(tabIndex);
         }
 
         @Override
         public void onTabUnselected(TabLayout.Tab tab) {}
 
         @Override
         public void onTabReselected(TabLayout.Tab tab) {}
     }
 }