Sync performance tests: include datatype in trace label for performance graphs.

chrome/test/live_sync/performance/extensions_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/stringprintf.h"
 #include "chrome/browser/sync/profile_sync_service_harness.h"
 #include "chrome/test/live_sync/live_extensions_sync_test.h"
 #include "chrome/test/live_sync/performance/sync_timing_helper.h"
 
 // TODO(braffert): Replicate these tests for apps.
@@ skipping 74 matching lines @@
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
   int num_default_extensions = GetExtensionCount(0);
   int expected_extension_count = num_default_extensions + kNumExtensions;
 
   // TCM ID - 7563874.
   AddExtensions(0, kNumExtensions);
   base::TimeDelta dt =
       SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
   InstallExtensionsPendingForSync(GetProfile(1));
   ASSERT_EQ(expected_extension_count, GetExtensionCount(1));
-  SyncTimingHelper::PrintResult("extensions", "add", dt);
+  SyncTimingHelper::PrintResult("extensions", "add_extensions", dt);
 
   // TCM ID - 7655397.
   UpdateExtensions(0);
   dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(expected_extension_count, GetExtensionCount(1));
-  SyncTimingHelper::PrintResult("extensions", "update", dt);
+  SyncTimingHelper::PrintResult("extensions", "update_extensions", dt);
 
   // TCM ID - 7567721.
   RemoveExtensions(0);
   dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(num_default_extensions, GetExtensionCount(1));
-  SyncTimingHelper::PrintResult("extensions", "delete", dt);
+  SyncTimingHelper::PrintResult("extensions", "delete_extensions", dt);
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionsSyncPerfTest, DISABLED_Benchmark) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
 
   for (int i = 0; i < kNumBenchmarkPoints; ++i) {
     int num_extensions = kBenchmarkPoints[i];
     AddExtensions(0, num_extensions);
     base::TimeDelta dt_add =
         SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
     InstallExtensionsPendingForSync(GetProfile(1));
     VLOG(0) << std::endl << "Add: " << num_extensions << " "
             << dt_add.InSecondsF();
 
     UpdateExtensions(0);
     base::TimeDelta dt_update =
         SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
     VLOG(0) << std::endl << "Update: " << num_extensions << " "
             << dt_update.InSecondsF();
 
     RemoveExtensions(0);
     base::TimeDelta dt_delete =
         SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
     VLOG(0) << std::endl << "Delete: " << num_extensions << " "
             << dt_delete.InSecondsF();
 
     Cleanup();
   }
 }