[Downloads] Add Incognito support

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkPage.java

 // Copyright 2015 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.bookmarks;
 
 import android.app.Activity;
 import android.view.View;
 
 import org.chromium.chrome.R;
@@ skipping 11 matching lines @@
     /**
      * Create a new instance of the bookmarks page.
      * @param activity The activity to get context and manage fragments.
      * @param tab The tab to load urls.
      */
     public BookmarkPage(Activity activity, Tab tab) {
         super(activity, tab);
     }
 
     @Override
-    protected void initialize(Activity activity) {
+    protected void initialize(Activity activity, Tab tab) {
         mManager = new BookmarkManager(activity, false);
         mManager.setBasicNativePage(this);
         mTitle = activity.getString(R.string.bookmarks);
     }
 
     @Override
     public View getView() {
         return mManager.getView();
     }
 
@@ skipping 13 matching lines @@
         mManager.updateForUrl(url);
     }
 
     @Override
     public void destroy() {
         mManager.destroy();
         mManager = null;
         super.destroy();
     }
 }