[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"
+#include "src/base/logging.h"
+
+namespace v8 {
+
+class Isolate;
+
+namespace platform {
+namespace tracing {
+
+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;
+}
+
+void TraceConfig::AddIncludedCategory(const char* included_category) {
+  DCHECK(included_category != NULL && strlen(included_category) > 0);
+  included_categories_.push_back(included_category);
+}
+
+void TraceConfig::AddExcludedCategory(const char* excluded_category) {
+  DCHECK(excluded_category != NULL && strlen(excluded_category) > 0);
+  excluded_categories_.push_back(excluded_category);
+}
+
+}  // namespace tracing
+}  // namespace platform
+}  // namespace v8