Move sync performance tests into new target

chrome/test/live_sync/performance/sync_timing_helper.h

 // 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.
 
-#ifndef CHROME_TEST_LIVE_SYNC_LIVE_SYNC_TIMING_HELPER_H_
-#define CHROME_TEST_LIVE_SYNC_LIVE_SYNC_TIMING_HELPER_H_
+#ifndef CHROME_TEST_LIVE_SYNC_PERFORMANCE_SYNC_TIMING_HELPER_H_
+#define CHROME_TEST_LIVE_SYNC_PERFORMANCE_SYNC_TIMING_HELPER_H_
 #pragma once
 
 #include "base/basictypes.h"
 
 #include <vector>
 
 namespace base {
 class TimeDelta;
 }
 
 class ProfileSyncServiceHarness;
 
-class LiveSyncTimingHelper {
+class SyncTimingHelper {
  public:
-  LiveSyncTimingHelper();
-  ~LiveSyncTimingHelper();
+  SyncTimingHelper();
+  ~SyncTimingHelper();
 
   // Returns the time taken for |client| to complete a single sync cycle.
   static base::TimeDelta TimeSyncCycle(ProfileSyncServiceHarness* client);
 
   // Returns the time taken for both |client| and |partner| to complete a sync
   // cycle.
   static base::TimeDelta TimeMutualSyncCycle(
       ProfileSyncServiceHarness* client, ProfileSyncServiceHarness* partner);
 
   // Returns the time taken for all clients in |clients| to complete their
   // respective sync cycles.
   static base::TimeDelta TimeUntilQuiescence(
       std::vector<ProfileSyncServiceHarness*>& clients);
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(LiveSyncTimingHelper);
+  DISALLOW_COPY_AND_ASSIGN(SyncTimingHelper);
 };
 
-#endif  // CHROME_TEST_LIVE_SYNC_LIVE_SYNC_TIMING_HELPER_H_
+#endif  // CHROME_TEST_LIVE_SYNC_PERFORMANCE_SYNC_TIMING_HELPER_H_