Revert of Add tests to make sure closed CCT activities are not leaked.

chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.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.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
@@ skipping 215 matching lines @@
     }
 
     /**
      * @return The custom action button. For test purpose only.
      */
     @VisibleForTesting
     public ImageButton getCustomActionButtonForTest() {
         return mCustomActionButton;
     }
 
-    /**
-     * @return The close button. For test purpose only.
-     */
-    @VisibleForTesting
-    public ImageButton getCloseButtonForTest() {
-        return mCloseButton;
-    }
-
     @Override
     public int getTabStripHeight() {
         return 0;
     }
 
     @Override
     public Tab getCurrentTab() {
         return getToolbarDataProvider().getTab();
     }
 
@@ skipping 495 matching lines @@
     public View getMenuButtonWrapper() {
         // This class has no menu button wrapper, so return the menu button instead.
         return mMenuButton;
     }
 
     @Override
     public boolean mustQueryUrlBarLocationForSuggestions() {
         return false;
     }
 }