Cleanup Icon Row custom code.

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

Index: chrome/android/java/res/layout/menu_icon_row.xml
diff --git a/chrome/android/java/res/layout/menu_icon_row.xml b/chrome/android/java/res/layout/menu_icon_row.xml
deleted file mode 100644
index 1cd56a912d0b320271e3f0d614a9e6a68cf3af04..0000000000000000000000000000000000000000
--- a/chrome/android/java/res/layout/menu_icon_row.xml
+++ /dev/null
@@ -1,56 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright 2011 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.
--->
-<!-- Layout for the first row of icons in menu popup -->
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content">
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:orientation="horizontal"
-        android:layout_height="?android:attr/listPreferredItemHeightSmall"
-        android:layout_gravity="top|start">
-        <ImageButton
-            android:src="@drawable/back_button_selector"
-            android:layout_weight="1"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:scaleType="center"
-            android:id="@+id/menu_item_back"
-            android:background="?android:attr/selectableItemBackground"
-            android:contentDescription="@string/accessibility_menu_back" />
-        <View android:background="?android:attr/listDivider"
-            android:layout_height="match_parent"
-            android:layout_width="@dimen/menu_item_divider_width"
-            android:layout_marginBottom="@dimen/menu_item_divider_width" />
-        <ImageButton
-            android:src="@drawable/forward_button_selector"
-            android:layout_weight="1"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:scaleType="center"
-            android:id="@+id/menu_item_forward"
-            android:background="?android:attr/selectableItemBackground"
-            android:contentDescription="@string/accessibility_menu_forward" />
-        <View android:background="?android:attr/listDivider"
-            android:layout_height="match_parent"
-            android:layout_width="@dimen/menu_item_divider_width"
-            android:layout_marginBottom="@dimen/menu_item_divider_width" />
-        <ImageButton
-            android:src="@drawable/star"
-            android:layout_weight="1"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:scaleType="center"
-            android:id="@+id/menu_item_bookmark"
-            android:background="?android:attr/selectableItemBackground"
-            android:contentDescription="@string/accessibility_menu_bookmark" />
-    </LinearLayout>
-    <View android:background="?android:attr/listDivider"
-        android:layout_height="@dimen/menu_item_divider_width"
-        android:layout_width="match_parent"
-        android:layout_gravity="bottom|start" />
-</FrameLayout>