Add Information Tooltip for Public Suffix List Matches

chrome/android/java/res/drawable/material_tooltip_background.xml

Index: chrome/android/java/res/drawable/material_tooltip_background.xml
diff --git a/chrome/android/java/res/drawable/material_tooltip_background.xml b/chrome/android/java/res/drawable/material_tooltip_background.xml
new file mode 100644
index 0000000000000000000000000000000000000000..81de11a6405d88abb242b729965f34665cec3b4b
--- /dev/null
+++ b/chrome/android/java/res/drawable/material_tooltip_background.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2016 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. -->
+
+<shape
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <corners
+        android:radius="2dp"/>

[gone, 2016/12/15 18:54:12]

nit: should be alright to keep XML tags with one attribute on one line instead
of arbitrarily breaking it into two.

+    <padding
+        android:left="16dp"
+        android:right="16dp"/>
+    <solid
+        android:color="#e6616161"/>
+</shape>