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

chrome/android/java/res/values/dimens.xml

Index: chrome/android/java/res/values/dimens.xml
diff --git a/chrome/android/java/res/values/dimens.xml b/chrome/android/java/res/values/dimens.xml
index b46e348308204ab14f860f39c2d89233701d0226..f80c52b0691bc0ce3b9f884ba0493c92b2813463 100644
--- a/chrome/android/java/res/values/dimens.xml
+++ b/chrome/android/java/res/values/dimens.xml
@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2014 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.
--->
+     found in the LICENSE file. -->
 
 <resources>
     <!-- Certificate Viewer Dimensions -->
@@ -42,14 +41,10 @@
     <!-- Infobar dimensions -->
     <!-- Text size of the infobar message. -->
     <dimen name="infobar_text_size">16sp</dimen>
-    <!-- Text size of text inside infobar buttons. -->
-    <dimen name="infobar_button_text_size">14sp</dimen>
     <!-- Minimum width of an infobar. -->
     <dimen name="infobar_min_width">220dp</dimen>
     <!-- Margin between items in an infobar. -->
     <dimen name="infobar_margin">16dp</dimen>
-    <!-- Left/right padding for infobar button text. -->
-    <dimen name="infobar_button_horizontal_padding">20dp</dimen>
     <!-- Minimum height for a touch target. -->
     <dimen name="infobar_touch_target_height">40dp</dimen>
     <!-- Width and height of the infobar icon. -->
@@ -94,12 +89,6 @@
     <dimen name="password_generation_text_vertical_margin">12dp</dimen>
 
     <!--  Preferences dimensions -->
-    <!-- TODO(twellington): Remove/update the button dimens after AppCompat adds button support. -->
-    <dimen name="pref_button_margin_start">0dp</dimen>
-    <dimen name="pref_button_corner_radius">2dp</dimen>
-    <dimen name="pref_button_horizontal_padding">16dp</dimen>
-    <dimen name="pref_button_vertical_padding">10dp</dimen>
-
     <dimen name="pref_homepage_layout_margin">10dp</dimen>
     <dimen name="pref_autofill_field_horizontal_padding">3dp</dimen>
     <dimen name="pref_autofill_field_top_padding">10dp</dimen>