Roll Chrome into Mojo.

cc/debug/rendering_stats_instrumentation.cc

Index: cc/debug/rendering_stats_instrumentation.cc
diff --git a/cc/debug/rendering_stats_instrumentation.cc b/cc/debug/rendering_stats_instrumentation.cc
index c707e233c608b4e603595c7660409b14b453b9b0..4a28a66ac8d7fa6113bd073dcd39c63ebb16c781 100644
--- a/cc/debug/rendering_stats_instrumentation.cc
+++ b/cc/debug/rendering_stats_instrumentation.cc
@@ -41,7 +41,7 @@ base::TimeTicks RenderingStatsInstrumentation::StartRecording() const {
   if (record_rendering_stats_) {
     if (base::TimeTicks::IsThreadNowSupported())
       return base::TimeTicks::ThreadNow();
-    return base::TimeTicks::HighResNow();
+    return base::TimeTicks::Now();
   }
   return base::TimeTicks();
 }
@@ -51,7 +51,7 @@ base::TimeDelta RenderingStatsInstrumentation::EndRecording(
   if (!start_time.is_null()) {
     if (base::TimeTicks::IsThreadNowSupported())
       return base::TimeTicks::ThreadNow() - start_time;
-    return base::TimeTicks::HighResNow() - start_time;
+    return base::TimeTicks::Now() - start_time;
   }
   return base::TimeDelta();
 }