Add integraton test for sync backup/rollback.

chrome/browser/sync/test/integration/performance/bookmarks_sync_perf_test.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/sync/test/integration/bookmarks_helper.h"
 #include "chrome/browser/sync/test/integration/performance/sync_timing_helper.h"
 #include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 
 using bookmarks_helper::AddURL;
@@ skipping 23 matching lines @@
   void RemoveURLs(int profile);
 
   // Returns the number of bookmarks stored in the bookmark bar for |profile|.
   int GetURLCount(int profile);
 
  private:
   // Returns a new unique bookmark URL.
   std::string NextIndexedURL();
 
   // Returns a new unique bookmark title.
-  std::wstring NextIndexedURLTitle();
+  std::string NextIndexedURLTitle();
 
   int url_number_;
   int url_title_number_;
   DISALLOW_COPY_AND_ASSIGN(BookmarksSyncPerfTest);
 };
 
 void BookmarksSyncPerfTest::AddURLs(int profile, int num_urls) {
   for (int i = 0; i < num_urls; ++i) {
     ASSERT_TRUE(AddURL(
         profile, 0, NextIndexedURLTitle(), GURL(NextIndexedURL())) != NULL);
@@ skipping 17 matching lines @@
 }
 
 int BookmarksSyncPerfTest::GetURLCount(int profile) {
   return GetBookmarkBarNode(profile)->child_count();
 }
 
 std::string BookmarksSyncPerfTest::NextIndexedURL() {
   return IndexedURL(url_number_++);
 }
 
-std::wstring BookmarksSyncPerfTest::NextIndexedURLTitle() {
+std::string BookmarksSyncPerfTest::NextIndexedURLTitle() {
   return IndexedURLTitle(url_title_number_++);
 }
 
 IN_PROC_BROWSER_TEST_F(BookmarksSyncPerfTest, P0) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
 
   // TCM ID - 7556828.
   AddURLs(0, kNumBookmarks);
   base::TimeDelta dt =
       SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(kNumBookmarks, GetURLCount(1));
   SyncTimingHelper::PrintResult("bookmarks", "add_bookmarks", dt);
 
   // TCM ID - 7564762.
   UpdateURLs(0);
   dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(kNumBookmarks, GetURLCount(1));
   SyncTimingHelper::PrintResult("bookmarks", "update_bookmarks", dt);
 
   // TCM ID - 7566626.
   RemoveURLs(0);
   dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(0, GetURLCount(1));
   SyncTimingHelper::PrintResult("bookmarks", "delete_bookmarks", dt);
 }