Use only toolbar to transition from fakebox to real omnibox.

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 06a19304fa5e047c6f17f39bc995ef8efa546c5f..8c8d2499c79e073ae94fbe374068f85f63a0ba21 100644
--- a/chrome/android/java/res/values/dimens.xml
+++ b/chrome/android/java/res/values/dimens.xml
@@ -225,14 +225,13 @@
     <dimen name="toolbar_progress_bar_height">2dp</dimen>
     <dimen name="toolbar_button_width">48dp</dimen>
 
-    <dimen name="location_bar_margin_top">5dp</dimen>
-    <dimen name="location_bar_margin_bottom">5dp</dimen>
-
+    <dimen name="location_bar_vertical_margin">8dp</dimen>

[mcwilliams, 2016/07/12 16:20:47]

Group this with the other location bar dimensions

[Bernhard Bauer, 2016/07/12 16:54:37]

Done (I've kept |toolbar_edge_padding| in the group, as it affects the
positioning of the location bar as well).

     <dimen name="toolbar_edge_padding">8dp</dimen>
     <dimen name="location_bar_url_text_size">16sp</dimen>
     <dimen name="location_bar_incognito_badge_padding">7dp</dimen>
 
-    <dimen name="location_bar_icon_width">36dp</dimen>
+    <dimen name="location_bar_icon_width">32dp</dimen>
+    <dimen name="location_bar_corner_radius">1dp</dimen>
     <dimen name="tablet_toolbar_start_padding">4dp</dimen>
     <dimen name="tablet_toolbar_start_padding_no_buttons">6dp</dimen>
     <dimen name="tablet_toolbar_end_padding">6dp</dimen>
@@ -274,8 +273,8 @@
     <dimen name="ntp_search_box_material_margin_left">10dp</dimen>
     <dimen name="ntp_search_box_material_margin_right">10dp</dimen>
     <dimen name="ntp_search_box_material_margin_top">0dp</dimen>
-    <dimen name="ntp_search_box_material_margin_bottom">5dp</dimen>
-    <dimen name="ntp_search_box_material_height">54dp</dimen>
+    <dimen name="ntp_search_box_material_margin_bottom">1dp</dimen>
+    <dimen name="ntp_search_box_material_height">62dp</dimen>
     <dimen name="ntp_search_box_material_extra_width">4dp</dimen>
     <dimen name="ntp_search_box_material_padding_top">3dp</dimen>
     <dimen name="ntp_search_box_material_padding_bottom">3dp</dimen>