Unify and Improve the Sign-In and Sync Confirmation Screens on Clank.

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

 <?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. -->
 
 <resources>
     <!-- Connection info popup dimensions -->
     <dimen name="connection_info_padding_wide">24dp</dimen>
     <dimen name="connection_info_padding_thin">16dp</dimen>
 
@@ skipping 139 matching lines @@
     <dimen name="user_picture_size">40dp</dimen>
     <dimen name="badged_user_picture_height">40dp</dimen>
     <!-- The design spec is that the center of the badge should be 4dp from the right edge of the
     user picture. This is equivalent to a badged_user_picture_width of 46dp assuming a badge_radius
     of 10dp. -->
     <dimen name="badged_user_picture_width">46dp</dimen>
     <dimen name="badge_radius">10dp</dimen>
     <dimen name="badge_border_size">1.3dp</dimen>
 
     <!-- First Run Experience and Welcome Page dimensions -->
-    <dimen name="fre_button_padding">16dp</dimen>
+    <dimen name="fre_button_padding">12dp</dimen>
     <dimen name="fre_margin">24dp</dimen>
     <dimen name="fre_title_text_size">24sp</dimen>
     <dimen name="fre_button_text_size">14sp</dimen>
     <dimen name="fre_normal_text_size">14sp</dimen>
     <dimen name="fre_image_carousel_width">260dp</dimen>
     <dimen name="fre_image_carousel_height">130dp</dimen>
     <dimen name="fre_checkmark_size">38dp</dimen>
     <dimen name="fre_tos_checkbox_padding">12dp</dimen>
 
     <!-- Sign-in promo dimensions -->
@@ skipping 144 matching lines @@
     <dimen name="default_favicon_size">16dp</dimen>
 
     <!-- Media UI dimensions -->
     <!-- The media_session_icon_size is just big enough to make sure Android doesn't discard the
          icon but otherwise, the icon is meant to be a flat color so it doesn't really matter. -->
     <dimen name="media_session_icon_size">48dp</dimen>
 
     <!-- Offline pages dimensions -->
     <dimen name="offline_page_item_vertical_spacing">16dp</dimen>
 </resources>