[Android] Width constrain bookmarks and downloads UIs

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkDelegate.java
index 3eb632b547b7c3587d65c57567366b56fb87940f..8a5acd7ef1d0cd064f1c5732d80df2d13f324a4d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkDelegate.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkDelegate.java
@@ -5,6 +5,7 @@
 package org.chromium.chrome.browser.bookmarks;
 
 import org.chromium.chrome.browser.favicon.LargeIconBridge;
+import org.chromium.chrome.browser.widget.selection.SelectableListLayout;
 import org.chromium.chrome.browser.widget.selection.SelectionDelegate;
 import org.chromium.components.bookmarks.BookmarkId;
 
@@ -39,11 +40,16 @@ interface BookmarkDelegate {
     void openFolder(BookmarkId folder);
 
     /**
-     * @return The SelectionDelegate responsible for tracking selected bookmarks.
+     * @return The {@link SelectionDelegate} responsible for tracking selected bookmarks.
      */
     SelectionDelegate<BookmarkId> getSelectionDelegate();
 
     /**
+     * @return The {@link SelectableListLayout} displaying the list of bookmarks.
+     */
+    SelectableListLayout<BookmarkId> getSelectableListLayout();
+
+    /**
      * Notifies the current mode set event to the given observer. For example, if the current mode
      * is MODE_ALL_BOOKMARKS, it calls onAllBookmarksModeSet.
      */