[Enhanced Bookmark] Add GetAllFoldersWithDepth in bookmark bridge

chrome/android/java/src/org/chromium/chrome/browser/BookmarksBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/BookmarksBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/BookmarksBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/BookmarksBridge.java
index 87b1061f9d94316a33c3bb9a53f7958f5136fa3e..24663afb16d8afac3deb37c7681d2615865d781a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/BookmarksBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/BookmarksBridge.java
@@ -169,7 +169,9 @@ public class BookmarksBridge {
     }
 
     /**
-     * @return All the permanent nodes.
+     * @return All the permanent nodes, including root node and managed folder.
+     *         Note every bookmark node below "bookmark bar", "other bookmark",
+     *         and "mobile bookmark" is also child of root node.
      */
     public List<BookmarkId> getPermanentNodeIDs() {
         assert mIsNativeBookmarkModelLoaded;
@@ -179,6 +181,16 @@ public class BookmarksBridge {
     }
 
     /**
+     * @return All permanent folder nodes that are not root nor under managed folder.
+     */
+    public List<BookmarkId> getEditablePermanentIDs() {
+        assert mIsNativeBookmarkModelLoaded;
+        List<BookmarkId> result = new ArrayList<BookmarkId>();
+        nativeGetEditablePermanentIDs(mNativeBookmarksBridge, result);
+        return result;
+    }
+
+    /**
      * Reads sub-folder IDs, sub-bookmark IDs, or both of the given folder.
      *
      * @param getFolders   Whether sub-folders should be returned.
@@ -413,6 +425,8 @@ public class BookmarksBridge {
             int type);
     private native void nativeGetPermanentNodeIDs(long nativeBookmarksBridge,
             List<BookmarkId> bookmarksList);
+    private native void nativeGetEditablePermanentIDs(long nativeBookmarksBridge,
+            List<BookmarkId> bookmarksList);
     private native void nativeGetChildIDs(long nativeBookmarksBridge, long id, int type,
             boolean getFolders, boolean getBookmarks, List<BookmarkId> bookmarksList);
     private native void nativeGetAllBookmarkIDsOrderedByCreationDate(long nativeBookmarksBridge,