Clean up document-mode specific UI.

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.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.toolbar;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.annotation.SuppressLint;
@@ skipping 527 matching lines @@
     }
 
     /**
      * Triggered when the URL input field has gained or lost focus.
      * @param hasFocus Whether the URL field has gained focus.
      */
     protected void onUrlFocusChange(boolean hasFocus) {
         mUrlHasFocus = hasFocus;
     }
 
-    protected boolean shouldShowMenuButton() {
-        return true;
-    }
-
     /**
      * Keeps track of the first time the toolbar is drawn.
      */
     private void recordFirstDrawTime() {
         if (mFirstDrawTimeMs == 0) mFirstDrawTimeMs = SystemClock.elapsedRealtime();
     }
 
     /**
      * Returns the elapsed realtime in ms of the time at which first draw for the toolbar occurred.
      */
@@ skipping 224 matching lines @@
         } else {
             mMenuButton.setContentDescription(getResources().getString(
                     R.string.accessibility_toolbar_btn_menu));
         }
     }
 
     @Override
     public void setReturnButtonListener(View.OnClickListener listener) {
     }
 }