linux: TCMalloc-based C++ heap profiler.

webkit/extensions/v8/heap_profiler_extension.h

Index: webkit/extensions/v8/heap_profiler_extension.h
diff --git a/webkit/extensions/v8/heap_profiler_extension.h b/webkit/extensions/v8/heap_profiler_extension.h
new file mode 100644
index 0000000000000000000000000000000000000000..8bdbf908496738dccf32b64672c7f54561d8580d
--- /dev/null
+++ b/webkit/extensions/v8/heap_profiler_extension.h
@@ -0,0 +1,23 @@
+// Copyright (c) 2006-2009 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.
+
+// HeapProfilerExtension is a V8 extension to expose a JS function for
+// dumping native heap profiles.  This should only be used for
+// debugging.
+
+#ifndef WEBKIT_EXTENSIONS_V8_HEAP_PROFILER_EXTENSION_H_
+#define WEBKIT_EXTENSIONS_V8_HEAP_PROFILER_EXTENSION_H_
+
+#include "v8/include/v8.h"
+
+namespace extensions_v8 {
+
+class HeapProfilerExtension {
+ public:
+  static v8::Extension* Get();
+};
+
+}  // namespace extensions_v8
+
+#endif  // WEBKIT_EXTENSIONS_V8_HEAP_PROFILER_EXTENSION_H_