[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 4901737e93183b0f4d3f2ab340a1d42806eaef7d..73c3d6517bc16913b6aa377a0153720570e9d51c 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -372,7 +372,8 @@ 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");
@@ -393,7 +394,8 @@ 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");
@@ -426,7 +428,8 @@ 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