[Bookmarks] Remove side drawer and introduce root folder view

chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java
index 74c59806b5058e12681cbb0fd92e2b1652d09dcc..673f49d8e6855a71f613cb6ae64377856121eb64 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java
@@ -69,13 +69,13 @@ public class SelectableListToolbar<E> extends Toolbar implements SelectionObserv
     }
 
     /** No navigation button is displayed. **/
-    protected static final int NAVIGATION_BUTTON_NONE = 0;
+    public static final int NAVIGATION_BUTTON_NONE = 0;
     /** Button to open the DrawerLayout. Only valid if mDrawerLayout is set. **/
-    protected static final int NAVIGATION_BUTTON_MENU = 1;
+    public static final int NAVIGATION_BUTTON_MENU = 1;
     /** Button to navigate back. This calls {@link #onNavigationBack()}. **/
-    protected static final int NAVIGATION_BUTTON_BACK = 2;
+    public static final int NAVIGATION_BUTTON_BACK = 2;
     /** Button to clear the selection. **/
-    protected static final int NAVIGATION_BUTTON_SELECTION_BACK = 3;
+    public static final int NAVIGATION_BUTTON_SELECTION_BACK = 3;
 
     protected boolean mIsSelectionEnabled;
     protected SelectionDelegate<E> mSelectionDelegate;
@@ -550,4 +550,9 @@ public class SelectableListToolbar<E> extends Toolbar implements SelectionObserv
     public View getSearchViewForTests() {
         return mSearchView;
     }
+
+    @VisibleForTesting
+    public int getNavigationButtonForTests() {
+        return mNavigationButton;
+    }
 }