diff -r 000000000000 -r 6474c204b198 tools/profiler/SyncProfile.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/profiler/SyncProfile.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 __SYNCPROFILE_H
+#define __SYNCPROFILE_H
+
+#include "ProfileEntry.h"
+
+struct LinkedUWTBuffer;
+
+class SyncProfile : public ThreadProfile
+{
+public:
+  SyncProfile(const char* aName, int aEntrySize, PseudoStack *aStack,
+              Thread::tid_t aThreadId, bool aIsMainThread);
+  ~SyncProfile();
+
+  bool SetUWTBuffer(LinkedUWTBuffer* aBuff);
+  LinkedUWTBuffer* GetUWTBuffer() { return mUtb; }
+
+  virtual void EndUnwind();
+  virtual SyncProfile* AsSyncProfile() { return this; }
+
+private:
+  friend class ProfilerBacktrace;
+
+  enum OwnerState
+  {
+    REFERENCED,       // ProfilerBacktrace has a pointer to this but doesn't own
+    OWNED,            // ProfilerBacktrace is responsible for destroying this
+    OWNER_DESTROYING, // ProfilerBacktrace owns this and is destroying
+    ORPHANED          // No owner, we must destroy ourselves
+  };
+
+  bool ShouldDestroy();
+
+  OwnerState        mOwnerState;
+  LinkedUWTBuffer*  mUtb;
+};
+
+#endif // __SYNCPROFILE_H
+