Notification custom layouts: move settings button to the footer.

chrome/android/java/res/layout/web_notification_big.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2015 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. -->
 
 <!--
   Web notification custom layout, big state.
   _______________________________________________________
   |        |                                            |
   |  Icon  |  Title text                        1:23 pm |
   |        |                                            |
   |        |  Body text which may run to multiple lines |
   |________|  if there is a lot of it.                  |
   |           __________________________________________|
   |                                                     |
-  |           Button       Button       Settings        |
+  |           Button       Button                       |
   |           __________________________________________|
   |                                                     |
-  |           www.example.com                           |
+  |           ⛭ www.example.com                         |
   |_____________________________________________________|
 -->
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
 
     <include layout="@layout/web_notification_icon_frame"
         android:id="@+id/icon_frame"/>
 
     <!--
@@ skipping 84 matching lines @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="horizontal"        
             android:visibility="gone"
             style="@style/WebNotificationButtons"/>
 
         <ImageView
             android:id="@+id/footer_divider"
             android:layout_width="match_parent"
             android:layout_height="1dp"
-            android:layout_marginBottom="8dp"
             android:contentDescription="@null"
             style="@style/WebNotificationDivider"/>
 
         <RelativeLayout
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="10dp">
+            android:layout_height="wrap_content">
 
-            <TextView
+            <ImageView
+                android:id="@+id/origin_settings_icon"
+                android:layout_width="wrap_content"
+                android:layout_height="40dp"
+                android:layout_alignParentStart="true"
+                android:layout_alignParentTop="true"
+                android:contentDescription="@null"
+                android:src="@drawable/settings_cog"
+                android:scaleType="centerInside"/>
+
+            <Button
                 android:id="@+id/origin"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="8dp"
                 android:layout_alignParentStart="true"
                 android:layout_alignParentTop="true"
                 android:layout_toStartOf="@+id/small_icon_footer"
+                android:minHeight="40dp"
+                android:gravity="start|center_vertical"
+                android:paddingStart="32dp"
                 android:singleLine="true"
                 android:ellipsize="start"
-                style="@style/WebNotificationOrigin"/>
+                style="@style/WebNotificationSettingsButton"/>
 
             <ViewStub
                 android:id="@id/small_icon_footer"
                 android:inflatedId="@id/small_icon_footer"
                 android:layout="@layout/web_notification_small_icon"
                 android:layout_width="16dp"
                 android:layout_height="16dp"
                 android:layout_marginEnd="8dp"
                 android:layout_alignParentEnd="true"
-                android:layout_alignParentTop="true"/>
+                android:layout_centerVertical="true"/>
 
         </RelativeLayout>
 
     </LinearLayout>
 
 </RelativeLayout>