Remove TRACE_EVENT_FLAG_COPY in runtime call stats tracing.

src/tracing/trace-event.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/tracing/trace-event.h"
 
 #include <string.h>
 
 #include "src/isolate.h"
 #include "src/v8.h"
 
 namespace v8 {
 namespace internal {
 namespace tracing {
 
 // A global flag used as a shortcut to check for the
 // v8.runtime-call-stats category due to its high frequency use.
 base::Atomic32 kRuntimeCallStatsTracingEnabled = false;
 
 v8::Platform* TraceEventHelper::GetCurrentPlatform() {
   return v8::internal::V8::GetCurrentPlatform();
 }
 
 void CallStatsScopedTracer::AddEndTraceEvent() {
   if (!has_parent_scope_ && p_data_->isolate) {
     v8::internal::tracing::AddTraceEvent(
         TRACE_EVENT_PHASE_END, p_data_->category_group_enabled, p_data_->name,
         v8::internal::tracing::kGlobalScope, v8::internal::tracing::kNoId,
-        v8::internal::tracing::kNoId, TRACE_EVENT_FLAG_COPY,
-        "runtime-call-stat",
+        v8::internal::tracing::kNoId, TRACE_EVENT_FLAG_NONE,
+        "runtime-call-stats",
         TRACE_STR_COPY(p_data_->isolate->trace_event_stats_table()->Dump()));
   } else {
     v8::internal::tracing::AddTraceEvent(
         TRACE_EVENT_PHASE_END, p_data_->category_group_enabled, p_data_->name,
         v8::internal::tracing::kGlobalScope, v8::internal::tracing::kNoId,
         v8::internal::tracing::kNoId, TRACE_EVENT_FLAG_NONE);
   }
 }
 
 void CallStatsScopedTracer::Initialize(Isolate* isolate,
@@ skipping 90 matching lines @@
     len_ = length;
   }
   strncpy(buffer_c_str_.get(), buffer_str.c_str(), length + 1);
   in_use_ = false;
   return buffer_c_str_.get();
 }
 
 }  // namespace tracing
 }  // namespace internal
 }  // namespace v8