[Tracing] V8 Tracing Controller

src/libplatform/tracing/trace-config.cc

+// Copyright 2016 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 <string.h>
+
+#include "include/libplatform/v8-tracing.h"
+
+namespace v8 {
+
+class Isolate;
+
+namespace platform {
+namespace tracing {
+
+TraceConfig* TraceConfig::CreateDefaultTraceConfig() {
+  TraceConfig* trace_config = new TraceConfig();
+  trace_config->included_categories_.push_back("v8");
+  return trace_config;
+}
+
+bool TraceConfig::IsCategoryGroupEnabled(const char* category_group) const {
+  for (auto included_category : included_categories_) {
+    if (strcmp(included_category.data(), category_group) == 0) return true;
+  }
+  return false;
+}
+
+}  // namespace tracing
+}  // namespace platform
+}  // namespace v8