[Sync] Refactoring of sync integration test checkers to remove boilerplate await methods.

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 "base/macros.h"
 #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"
 #include "components/bookmarks/browser/bookmark_node.h"
 
 using bookmarks_helper::AddURL;
 using bookmarks_helper::AllModelsMatch;
 using bookmarks_helper::GetBookmarkBarNode;
 using bookmarks_helper::IndexedURL;
 using bookmarks_helper::IndexedURLTitle;
 using bookmarks_helper::Remove;
 using bookmarks_helper::SetURL;
+using sync_timing_helper::PrintResult;
+using sync_timing_helper::TimeMutualSyncCycle;
 
 static const int kNumBookmarks = 150;
 
 class BookmarksSyncPerfTest : public SyncTest {
  public:
   BookmarksSyncPerfTest()
       : SyncTest(TWO_CLIENT),
         url_number_(0),
         url_title_number_(0) {}
 
@@ skipping 54 matching lines @@
 
 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));
+  base::TimeDelta dt = TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(kNumBookmarks, GetURLCount(1));
-  SyncTimingHelper::PrintResult("bookmarks", "add_bookmarks", dt);
+  PrintResult("bookmarks", "add_bookmarks", dt);
 
   // TCM ID - 7564762.
   UpdateURLs(0);
-  dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
+  dt = TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(kNumBookmarks, GetURLCount(1));
-  SyncTimingHelper::PrintResult("bookmarks", "update_bookmarks", dt);
+  PrintResult("bookmarks", "update_bookmarks", dt);
 
   // TCM ID - 7566626.
   RemoveURLs(0);
-  dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
+  dt = TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(0, GetURLCount(1));
-  SyncTimingHelper::PrintResult("bookmarks", "delete_bookmarks", dt);
+  PrintResult("bookmarks", "delete_bookmarks", dt);
 }