diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/v8/ScriptProfiler.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/v8/ScriptProfiler.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2010, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "ScriptProfiler.h"
+#include "ScriptString.h"
+
+#include <v8-profiler.h>
+
+namespace WebCore {
+
+void ScriptProfiler::start(ScriptState* state, const String& title)
+{
+    v8::HandleScope hs;
+    v8::CpuProfiler::StartProfiling(v8String(title));
+}
+
+PassRefPtr<ScriptProfile> ScriptProfiler::stop(ScriptState* state, const String& title)
+{
+    v8::HandleScope hs;
+    const v8::CpuProfile* profile = state ?
+        v8::CpuProfiler::StopProfiling(v8String(title), state->context()->GetSecurityToken()) :
+        v8::CpuProfiler::StopProfiling(v8String(title));
+    return profile ? ScriptProfile::create(profile) : 0;
+}
+
+void ScriptProfiler::takeHeapSnapshot()
+{
+    v8::V8::ResumeProfilerEx(v8::PROFILER_MODULE_HEAP_SNAPSHOT
+                             | v8::PROFILER_MODULE_HEAP_STATS
+                             | v8::PROFILER_MODULE_JS_CONSTRUCTORS);
+}
+
+} // namespace WebCore