Shortcut ctrl+shift+T added on android.

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/SingleTabModel.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.tabmodel;
 
 import android.app.Activity;
 
 import org.chromium.base.ActivityState;
 import org.chromium.base.ApiCompatibilityUtils;
@@ skipping 170 matching lines @@
         mObservers.addObserver(observer);
     }
 
     @Override
     public void removeObserver(TabModelObserver observer) {
         mObservers.removeObserver(observer);
     }
 
     private static native void nativePermanentlyBlockAllNewWindows(Tab nativeTabAndroid);
 
+    @Override
+    public void openMostRecentlyClosedTab() {
+    }
+
 }