Create the base Custom Context Menu Dialog.

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

Index: chrome/android/java/res/layout/tabular_context_menu_page.xml
diff --git a/chrome/android/java/res/layout/tabular_context_menu_page.xml b/chrome/android/java/res/layout/tabular_context_menu_page.xml
new file mode 100644
index 0000000000000000000000000000000000000000..fcf462960b64322e86f16e82a25fa787d33a4864
--- /dev/null
+++ b/chrome/android/java/res/layout/tabular_context_menu_page.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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:id="@+id/content_layer"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:minWidth="280dp"
+    android:orientation="vertical">
+    <TextView
+        android:id="@+id/context_header_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:layout_marginBottom="10dp"
+        android:layout_marginStart="20dp"
+        android:layout_marginEnd="20dp"
+        android:gravity="center"
+        android:maxLines="1"
+        android:textSize="13sp"
+        android:textStyle="bold"
+        android:ellipsize="end"
+        android:visibility="gone"/>
+    <View
+        android:id="@+id/context_divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="#1e000000"/>
+    <ListView
+        android:id="@+id/selectable_items"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="8dp"
+        android:paddingBottom="8dp"
+        android:dividerHeight="0dp"
+        android:divider="@null"/>
+</LinearLayout>