Add infobar layout for app install banners.

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>
     <!-- Certificate Viewer Dimensions -->
     <dimen name="certificate_viewer_padding_wide">24dp</dimen>
     <dimen name="certificate_viewer_padding_thin">16dp</dimen>
@@ skipping 38 matching lines @@
     <!-- 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. -->
     <dimen name="infobar_icon_size">36dp</dimen>
 
     <!-- App banner dimensions -->
+    <dimen name="app_banner_infobar_icon_size">48dp</dimen>
+    <dimen name="app_banner_infobar_icon_spacing">16dp</dimen>
+
     <dimen name="app_banner_max_width">424dp</dimen>
     <dimen name="app_banner_margin_sides">8dp</dimen>
     <dimen name="app_banner_margin_bottom">8dp</dimen>
     <dimen name="app_banner_padding">8dp</dimen>
     <dimen name="app_banner_padding_controls">4dp</dimen>
 
     <dimen name="app_banner_button_text_size">14sp</dimen>
     <dimen name="app_banner_button_height">28dp</dimen>
     <dimen name="app_banner_button_margin_top">8dp</dimen>
     <dimen name="app_banner_button_padding_sides">12dp</dimen>
@@ skipping 62 matching lines @@
     <!-- User Picture Dimensions -->
     <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>
 </resources>