Use ButtonCompat to get Material-y buttons in more places.

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

 <?xml version="1.0" encoding="utf-8"?>
 <!--
      Copyright 2013 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.
 -->
 
 <ScrollView
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:chrome="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     tools:ignore="Overdraw"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="#e6e6e6">
 
     <LinearLayout
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center_horizontal"
@@ skipping 13 matching lines @@
         <TextView
             android:id="@+id/sad_tab_title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center_horizontal"
             android:layout_marginTop="15dp"
             android:text="@string/sad_tab_title"
             android:textColor="#666"
             android:textSize="20sp" />
 
-        <Button
+        <org.chromium.chrome.browser.widget.ButtonCompat
             android:id="@+id/sad_tab_reload_button"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center_horizontal"
             android:layout_marginTop="15dp"
-            android:background="@drawable/sad_tab_reload_button"
             android:text="@string/sad_tab_reload_label"
             android:textColor="#fff"
-            android:textSize="13.8sp"
-            android:textStyle="bold"
-            android:paddingTop="8dp"
-            android:paddingBottom="8dp"
-            android:paddingStart="13dp"
-            android:paddingEnd="13dp"
-            android:minWidth="65dp"
-            android:minHeight="29dp" />
+            chrome:buttonColor="@color/light_active_color" />
 
         <View
             android:layout_width="match_parent"
             android:layout_height="1dp"
             android:layout_marginTop="15dp"
             android:background="#eee" />
 
         <!-- Note: Using layout_width="wrap_content" and width="538dp" forces this TextView
              to be as wide as possible up to a maximum width of 538dp. -->
         <org.chromium.ui.widget.TextViewWithClickableSpans
             android:id="@+id/sad_tab_message"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:background="@drawable/sad_tab_lower_panel_background"
             android:paddingTop="18dp"
             android:paddingBottom="18dp"
             android:paddingStart="20dp"
             android:paddingEnd="20dp"
             android:textColor="#444"
             android:textSize="13.8sp"
             android:width="538dp" />
     </LinearLayout>
 
 </ScrollView>