1 files changed, 28 insertions, 0 deletions
diff --git a/base/debug/trace_event.cc b/base/debug/trace_event.cc
new file mode 100644
index 0000000..682e065
--- /dev/null
+++ b/base/debug/trace_event.cc
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 The Chromium 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 "base/debug/trace_event.h"
+
+namespace trace_event_internal {
+
+void TraceEndOnScopeClose::Initialize(const unsigned char* category_enabled,
+                                      const char* name) {
+  data_.category_enabled = category_enabled;
+  data_.name = name;
+  p_data_ = &data_;
+}
+
+void TraceEndOnScopeClose::AddEventIfEnabled() {
+  // Only called when p_data_ is non-null.
+  if (*p_data_->category_enabled) {
+    TRACE_EVENT_API_ADD_TRACE_EVENT(
+        TRACE_EVENT_PHASE_END,
+        p_data_->category_enabled,
+        p_data_->name, kNoEventId,
+        kZeroNumArgs, NULL, NULL, NULL,
+        TRACE_EVENT_FLAG_NONE);
+  }
+}
+
+}  // namespace trace_event_internal