[Contextual Search] Add a handle to the bar when Chrome Home is enabled

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 103 matching lines @@
     <dimen name="contextual_search_text_layer_min_height">38dp</dimen>
     <dimen name="contextual_search_term_caption_spacing">1.5dp</dimen>
     <!-- This is the offset of the divider from the end of the bar. -->
     <dimen name="contextual_search_end_button_width">48dp</dimen>
     <dimen name="contextual_search_divider_line_width">1dp</dimen>
     <dimen name="contextual_search_divider_line_height">24dp</dimen>
 
     <!-- Overlay panel dimensions -->
     <dimen name="overlay_panel_bar_height">56dp</dimen>
     <dimen name="overlay_panel_text_size">18sp</dimen>
+    <dimen name="overlay_panel_bar_handle_offset_y">6dp</dimen>
+    <dimen name="overlay_panel_bar_padding_bottom">4dp</dimen>
 
     <!-- Password generation popup dimensions -->
     <dimen name="password_generation_divider_height">1dp</dimen>
     <dimen name="password_generation_text_size">14sp</dimen>
     <dimen name="password_generation_horizontal_margin">10dp</dimen>
     <dimen name="password_generation_text_vertical_margin">12dp</dimen>
 
     <!-- Search engine preference dimensions -->
     <dimen name="search_engine_list_margin_top">6dp</dimen>
 
@@ skipping 104 matching lines @@
 
     <!-- Toolbar dimensions -->
     <dimen name="toolbar_tab_count_text_size_1_digit">12dp</dimen>
     <dimen name="toolbar_tab_count_text_size_2_digit">10dp</dimen>
     <dimen name="toolbar_height_no_shadow">56dp</dimen>
     <dimen name="toolbar_shadow_height">8dp</dimen>
     <dimen name="toolbar_progress_bar_height">2dp</dimen>
     <dimen name="toolbar_button_width">48dp</dimen>
     <dimen name="toolbar_handle_height">4dp</dimen>
     <dimen name="toolbar_handle_width">40dp</dimen>
+    <dimen name="toolbar_handle_corner_radius">2dp</dimen>
     <dimen name="toolbar_handle_margin_top">14dp</dimen>
 
     <dimen name="toolbar_edge_padding">8dp</dimen>
     <dimen name="location_bar_google_g_width">24dp</dimen>
     <dimen name="location_bar_google_g_margin">8dp</dimen>
     <!-- location_bar_google_g_width + 2 * location_bar_google_g_margin -->
     <dimen name="location_bar_google_g_container_width">40dp</dimen>
     <dimen name="location_bar_vertical_margin">8dp</dimen>
     <dimen name="location_bar_url_text_size">16sp</dimen>
     <dimen name="location_bar_incognito_badge_padding">7dp</dimen>
@@ skipping 187 matching lines @@
     <dimen name="action_bar_shadow_height">10dp</dimen>
     <dimen name="card_corner_radius">2dp</dimen>
     <dimen name="list_item_corner_radius">3dp</dimen>
     <dimen name="list_item_lateral_padding">1dp</dimen>
     <dimen name="history_default_text_margin">16dp</dimen>
 
     <!-- Context Menu Dimensions -->
     <dimen name="context_menu_header_image_min_size">56dp</dimen>
     <dimen name="context_menu_header_image_max_size">56dp</dimen>
 </resources>