Sync performance tests: Cleanup TODOs and print in dashboard friendly format

chrome/test/live_sync/performance/sync_timing_helper.cc

Index: chrome/test/live_sync/performance/sync_timing_helper.cc
diff --git a/chrome/test/live_sync/performance/sync_timing_helper.cc b/chrome/test/live_sync/performance/sync_timing_helper.cc
index 059589604fc7431747f68cf7c67e02349d9650fb..d1f9f769cebfb693e48ed852726c230382c036db 100644
--- a/chrome/test/live_sync/performance/sync_timing_helper.cc
+++ b/chrome/test/live_sync/performance/sync_timing_helper.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/test/live_sync/performance/sync_timing_helper.h"
 
+#include "base/string_number_conversions.h"
 #include "base/time.h"
 #include "chrome/browser/sync/profile_sync_service_harness.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -35,3 +36,11 @@ base::TimeDelta SyncTimingHelper::TimeUntilQuiescence(
   EXPECT_TRUE(ProfileSyncServiceHarness::AwaitQuiescence(clients));
   return base::Time::Now() - start;
 }
+
+// static
+void SyncTimingHelper::PrintResult(const std::string& measurement,
+                                   const std::string& trace,
+                                   const base::TimeDelta& dt) {
+  printf("*RESULT %s: %s= %s ms\n", measurement.c_str(), trace.c_str(),
+         base::IntToString(dt.InMillisecondsF()).c_str());
+}