Merge 285635 "Refreshing the tab switcher assets."

chrome/android/java/res/layout/accessibility_tab_switcher_list_item.xml

 <?xml version="1.0" encoding="utf-8"?>
 
 <!-- Copyright 2014 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.
 -->
 
 <org.chromium.chrome.browser.widget.accessibility.AccessibilityTabModelListItem
     xmlns:android="http://schemas.android.com/apk/res/android"
@@ skipping 31 matching lines @@
             android:textSize="18sp" />
         <ImageButton
             android:id="@+id/close_btn"
             android:scaleType="centerInside"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
             android:minWidth="48dp"
             android:padding="4dp"
             android:background="?android:attr/selectableItemBackground"
             android:contentDescription="@string/accessibility_tabstrip_btn_close_tab"
-            android:src="@drawable/close_tab_incognito"
+            android:src="@drawable/btn_tab_close"
             android:gravity="end|center_vertical" />
     </LinearLayout>
 
     <LinearLayout
         android:id="@+id/undo_contents"
         android:orientation="horizontal"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:visibility="invisible">
 
         <Button
             android:id="@+id/undo_button"
             android:layout_height="match_parent"
             android:layout_width="0dp"
             android:layout_weight="1"
             android:layout_gravity="center_vertical"
             android:paddingStart="48dp"
             android:textAlignment="viewStart"
             android:text="@string/accessibility_tab_switcher_undo_tab_closed"
             android:contentDescription="@string/accessibility_tab_switcher_undo_tab_closed"
             android:textColor="@color/accessibility_close_undo_text"
             android:textSize="18sp"
             android:background="?android:attr/selectableItemBackground" />
     </LinearLayout>
 
 </org.chromium.chrome.browser.widget.accessibility.AccessibilityTabModelListItem>