Remove obsolete bookmarkManagerPrivate.canOpenNewWindows API function

chrome/common/extensions/api/bookmark_manager_private.json

 // Copyright (c) 2012 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.
 
 [
   {
     "namespace": "bookmarkManagerPrivate",
     "description": "none",
     "types": [
       {
@@ skipping 191 matching lines @@
         "name": "canEdit",
         "type": "function",
         "description": "Whether bookmarks can be modified.",
         "parameters": [
           {"type": "function", "name": "callback", "parameters": [
             {"name": "result", "type": "boolean"}
           ]}
         ]
       },
       {
-        "name": "canOpenNewWindows",
-        "type": "function",
-        "description": "Whether bookmarks can be opened in new windows.",
-        "parameters": [
-          {"type": "function", "name": "callback", "parameters": [
-            {"name": "result", "type": "boolean"}
-          ]}
-        ]
-      },
-      {
         "name": "removeTrees",
         "type": "function",
         "description": "Recursively removes list of bookmarks nodes.",
         "parameters": [
           {
             "name": "idList",
             "description": "An array of string-valued ids.",
             "type": "array",
             "items": {"type": "string"},
             "minItems": 1
@@ skipping 204 matching lines @@
         "type": "function",
         "description": "Fired when the meta info of a node changes.",
         "parameters": [
           {"name": "id", "type": "string"},
           {"name": "metaInfoChanges", "$ref": "MetaInfoFields"}
         ]
       }
     ]
   }
 ]