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

chrome/test/live_sync/performance/bookmarks_sync_perf_test.cc

Index: chrome/test/live_sync/performance/bookmarks_sync_perf_test.cc
diff --git a/chrome/test/live_sync/performance/bookmarks_sync_perf_test.cc b/chrome/test/live_sync/performance/bookmarks_sync_perf_test.cc
index 764a4c2cd74f9ba678de3c99d91eefbb8fb6ed50..3e3bf57280b81a8ec49b1cf496dae8f60f81a59c 100644
--- a/chrome/test/live_sync/performance/bookmarks_sync_perf_test.cc
+++ b/chrome/test/live_sync/performance/bookmarks_sync_perf_test.cc
@@ -110,19 +110,19 @@ IN_PROC_BROWSER_TEST_F(BookmarksSyncPerfTest, P0) {
   base::TimeDelta dt =
       SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(kNumBookmarks, GetURLCount(1));
-  SyncTimingHelper::PrintResult("bookmarks", "add", dt);
+  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", dt);
+  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", dt);
+  SyncTimingHelper::PrintResult("bookmarks", "delete_bookmarks", dt);
 }
 
 IN_PROC_BROWSER_TEST_F(BookmarksSyncPerfTest, DISABLED_Benchmark) {