[Bookmarks] Remove side drawer and introduce root folder view

chrome/android/java/res/values-v17/styles.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 xmlns:tools="http://schemas.android.com/tools">
     <!-- Q: Why put style resources under values-v17/ ?
          A: Problem:
             1. paddingStart causes a crash on Galaxy Tab&Note b/8351339.
             2. So we wrote a build script(generate_v14_compatible_resources.py) to convert
@@ skipping 414 matching lines @@
     <!-- Bookmarks -->
     <style name="BookmarkTitleBarButton">
         <item name="android:layout_width">wrap_content</item>
         <item name="android:layout_height">wrap_content</item>
         <item name="android:background">@null</item>
         <item name="android:padding">15dp</item>
     </style>
     <style name="BookmarkMenuStyle" parent="Widget.AppCompat.ListPopupWindow">
         <item name="android:popupBackground">@drawable/menu_bg</item>
     </style>
-    <style name="BookmarkDrawerItemStyle">
-        <item name="android:layout_width">match_parent</item>
-        <item name="android:layout_height">?android:attr/listPreferredItemHeightSmall</item>
-        <item name="android:textAlignment">viewStart</item>
-        <item name="android:gravity">start|center_vertical</item>
-        <item name="android:paddingStart">@dimen/bookmark_drawer_drawable_padding</item>
-        <item name="android:paddingEnd">@dimen/bookmark_drawer_drawable_padding</item>
-        <item name="android:singleLine">true</item>
-        <item name="android:textAppearance">?android:attr/textAppearanceLargePopupMenu</item>
-        <item name="android:textSize">14sp</item>
-    </style>
 
     <!-- Contextual Search styles -->
     <style name="ContextualSearchTextViewLayout">
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">wrap_content</item>
         <item name="android:layout_gravity">bottom</item>
         <item name="android:background">#FFF</item>
         <item name="android:visibility">invisible</item>
         <!-- 60dp padding minus 7dp for fading edge -->
         <item name="android:paddingStart">53dp</item>
@@ skipping 259 matching lines @@
     <style name="IncognitoNewTabLearnMoreLink">
         <item name="android:background">?attr/listChoiceBackgroundIndicator</item>
         <item name="android:clickable">true</item>
         <item name="android:focusable">true</item>
         <item name="android:textSize">14sp</item>
         <item name="android:textAllCaps">true</item>
         <item name="android:padding">16dp</item>
     </style>
 
 </resources>