Add new E2E sync multi profiles tests. This should not affect any existing

chrome/browser/sync/test/integration/bookmarks_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_BOOKMARKS_HELPER_H_
 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_BOOKMARKS_HELPER_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 153 matching lines @@
 
 // Returns whether a node exists with the specified url.
 bool HasNodeWithURL(int profile, const GURL& url);
 
 // Gets the node in the bookmark model of profile |profile| that has the url
 // |url|. Note: Only one instance of |url| is assumed to be present.
 const BookmarkNode* GetUniqueNodeByURL(
     int profile,
     const GURL& url) WARN_UNUSED_RESULT;
 
+// Returns the number of bookmarks in bookmark model of profile |profile|.
+int CountAllBookmarks(int profile) WARN_UNUSED_RESULT;
+
 // Returns the number of bookmarks in bookmark model of profile |profile|
 // whose titles match the string |title|.
 int CountBookmarksWithTitlesMatching(
     int profile,
     const std::string& title) WARN_UNUSED_RESULT;
 
 // Returns the number of bookmark folders in the bookmark model of profile
 // |profile| whose titles contain the query string |title|.
 int CountFoldersWithTitlesMatching(
     int profile,
@@ skipping 17 matching lines @@
 
 // Returns a subfolder name identifiable by |i|.
 std::string IndexedSubfolderName(int i);
 
 // Returns a subsubfolder name identifiable by |i|.
 std::string IndexedSubsubfolderName(int i);
 
 }  // namespace bookmarks_helper
 
 #endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_BOOKMARKS_HELPER_H_