Fix buffer overflow in trace_event_android.cc

base/trace_event/trace_event_android_unittest.cc

Index: base/trace_event/trace_event_android_unittest.cc
diff --git a/base/trace_event/trace_event_android_unittest.cc b/base/trace_event/trace_event_android_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..58bd77ed93f9d44715240903b60e3a5b210f206b
--- /dev/null
+++ b/base/trace_event/trace_event_android_unittest.cc
@@ -0,0 +1,22 @@
+// Copyright (c) 2015 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/trace_event/trace_event.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+namespace trace_event {
+
+TEST(TraceEventAndroidTest, WriteToATrace) {
+  // Just a smoke test to ensure no crash.
+  TraceLog* trace_log = TraceLog::GetInstance();
+  trace_log->StartATrace();
+  TRACE_EVENT0("test", "test-event");
+  trace_log->StopATrace();
+  trace_log->AddClockSyncMetadataEvent();
+}
+
+}  // namespace trace_event
+}  // namespace base