Add a dialog UI for Data Use accounting

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

Index: chrome/android/java/res/layout/data_use_dialog.xml
diff --git a/chrome/android/java/res/layout/data_use_dialog.xml b/chrome/android/java/res/layout/data_use_dialog.xml
new file mode 100644
index 0000000000000000000000000000000000000000..cfc6e17ec0c94965d66634649cd6ba73ac548f29
--- /dev/null
+++ b/chrome/android/java/res/layout/data_use_dialog.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2015 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. -->
+
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_height="wrap_content"
+    android:layout_width="match_parent"
+    android:paddingStart="18dp"
+    android:paddingTop="8dp" >
+
+    <CheckBox
+        android:id="@+id/data_use_checkbox"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent" 
+        android:text="@string/data_use_tracking_ended_checkbox_message" />
+
+</FrameLayout>