Create the base Custom Context Menu Dialog.

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

Index: chrome/android/java/res/layout/custom_context_menu_row.xml
diff --git a/chrome/android/java/res/layout/custom_context_menu_row.xml b/chrome/android/java/res/layout/custom_context_menu_row.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0627676f3f0ab8a9bbe08e42d230e353f1d301a2
--- /dev/null
+++ b/chrome/android/java/res/layout/custom_context_menu_row.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>

[Ted C, 2017/03/24 04:32:53]

tabular_context_menu_row

[JJ, 2017/03/25 01:40:25]

Done.

+<!-- Copyright 2017 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. -->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="15dp"
+    android:paddingEnd="15dp"
+    android:minHeight="40dp">
+    <ImageView
+        android:id="@+id/context_menu_icon"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:layout_gravity="center_vertical"
+        android:contentDescription="@string/context_menu_row_icon_description" />

[Ted C, 2017/03/24 04:32:53]

I wouldn't set a content description here (applies to later in the code), or
more explicitly use @null.  In accessibility, the text is all the user needs to
know to make a decision in the menu.  This would just duplicate the text and
isn't any more actionable.

[JJ, 2017/03/25 01:40:25]

Done.

+    <TextView
+        android:id="@+id/context_text"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:layout_marginStart="10dp"
+        android:layout_weight="1"
+        android:textSize="15sp"
+        android:textColor="#dd000000"/>
+    <ImageView
+        android:id="@+id/context_menu_share_icon"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:layout_gravity="center_vertical"
+        android:contentDescription="@string/context_menu_row_share_icon_description"
+        android:visibility="gone"/>
+</LinearLayout>