[Tracing] Embed V8 runtime call stats into tracing.

src/deoptimizer.cc

Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index e5cf36344f1c8dcb0606c9f259f49e9728c1b8de..7335fa54612e341ad05e59b81663caa39663a9c5 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -366,7 +366,8 @@ void Deoptimizer::DeoptimizeAll(Isolate* isolate) {
   RuntimeCallTimerScope runtimeTimer(isolate,
                                      &RuntimeCallStats::DeoptimizeCode);
   TimerEventScope<TimerEventDeoptimizeCode> timer(isolate);
-  TRACE_EVENT0("v8", "V8.DeoptimizeCode");
+  TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
+      isolate, &tracing::TraceEventStatsTable::DeoptimizeCode);
   if (FLAG_trace_deopt) {
     CodeTracer::Scope scope(isolate->GetCodeTracer());
     PrintF(scope.file(), "[deoptimize all code in all contexts]\n");
@@ -387,7 +388,8 @@ void Deoptimizer::DeoptimizeMarkedCode(Isolate* isolate) {
   RuntimeCallTimerScope runtimeTimer(isolate,
                                      &RuntimeCallStats::DeoptimizeCode);
   TimerEventScope<TimerEventDeoptimizeCode> timer(isolate);
-  TRACE_EVENT0("v8", "V8.DeoptimizeCode");
+  TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
+      isolate, &tracing::TraceEventStatsTable::DeoptimizeCode);
   if (FLAG_trace_deopt) {
     CodeTracer::Scope scope(isolate->GetCodeTracer());
     PrintF(scope.file(), "[deoptimize marked code in all contexts]\n");
@@ -420,7 +422,8 @@ void Deoptimizer::DeoptimizeFunction(JSFunction* function) {
   RuntimeCallTimerScope runtimeTimer(isolate,
                                      &RuntimeCallStats::DeoptimizeCode);
   TimerEventScope<TimerEventDeoptimizeCode> timer(isolate);
-  TRACE_EVENT0("v8", "V8.DeoptimizeCode");
+  TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
+      isolate, &tracing::TraceEventStatsTable::DeoptimizeCode);
   Code* code = function->code();
   if (code->kind() == Code::OPTIMIZED_FUNCTION) {
     // Mark the code for deoptimization and unlink any functions that also