diff -r 000000000000 -r 6474c204b198 tools/profiler/GeckoTaskTracerImpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/profiler/GeckoTaskTracerImpl.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,85 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GECKO_TASK_TRACER_IMPL_H
+#define GECKO_TASK_TRACER_IMPL_H
+
+#include "GeckoTaskTracer.h"
+
+namespace mozilla {
+namespace tasktracer {
+
+struct TraceInfo
+{
+  TraceInfo(uint32_t aThreadId) : mCurTraceSourceId(0)
+                                , mCurTaskId(0)
+                                , mSavedCurTraceSourceId(0)
+                                , mSavedCurTaskId(0)
+                                , mCurTraceSourceType(UNKNOWN)
+                                , mSavedCurTraceSourceType(UNKNOWN)
+                                , mThreadId(aThreadId)
+                                , mLastUniqueTaskId(0)
+  {
+    MOZ_COUNT_CTOR(TraceInfo);
+  }
+
+  ~TraceInfo() { MOZ_COUNT_DTOR(TraceInfo); }
+
+  uint64_t mCurTraceSourceId;
+  uint64_t mCurTaskId;
+  uint64_t mSavedCurTraceSourceId;
+  uint64_t mSavedCurTaskId;
+  SourceEventType mCurTraceSourceType;
+  SourceEventType mSavedCurTraceSourceType;
+  uint32_t mThreadId;
+  uint32_t mLastUniqueTaskId;
+};
+
+void InitTaskTracer();
+void ShutdownTaskTracer();
+
+// Return the TraceInfo of current thread, allocate a new one if not exit.
+TraceInfo* GetOrCreateTraceInfo();
+
+uint64_t GenNewUniqueTaskId();
+
+class AutoSaveCurTraceInfo
+{
+public:
+  AutoSaveCurTraceInfo();
+  ~AutoSaveCurTraceInfo();
+};
+
+void SetCurTraceInfo(uint64_t aSourceEventId, uint64_t aParentTaskId,
+                     SourceEventType aSourceEventType);
+
+void GetCurTraceInfo(uint64_t* aOutSourceEventId, uint64_t* aOutParentTaskId,
+                     SourceEventType* aOutSourceEventType);
+
+/**
+ * Logging functions of different trace actions.
+ */
+enum ActionType {
+  ACTION_DISPATCH = 0,
+  ACTION_BEGIN,
+  ACTION_END,
+  ACTION_ADD_LABEL,
+  ACTION_GET_VTABLE
+};
+
+void LogDispatch(uint64_t aTaskId, uint64_t aParentTaskId,
+                 uint64_t aSourceEventId, SourceEventType aSourceEventType);
+
+void LogBegin(uint64_t aTaskId, uint64_t aSourceEventId);
+
+void LogEnd(uint64_t aTaskId, uint64_t aSourceEventId);
+
+void LogVirtualTablePtr(uint64_t aTaskId, uint64_t aSourceEventId, int* aVptr);
+
+} // namespace mozilla
+} // namespace tasktracer
+
+#endif