Adam Barth f3df64fa3d Let Dart code running in Sky add events to the trace timeline
This will let us form a wholistic picture of work done in the framework and in
the engine.

R=ojan@chromium.org, rafaelw@chromium.org

Review URL: https://codereview.chromium.org/1028243003
2015-03-23 14:48:06 -07:00

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// Copyright 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.
#ifndef SKY_ENGINE_CORE_FRAME_TRACING_H_
#define SKY_ENGINE_CORE_FRAME_TRACING_H_
#include "sky/engine/tonic/dart_wrappable.h"
#include "sky/engine/wtf/PassRefPtr.h"
#include "sky/engine/wtf/RefCounted.h"
#include "sky/engine/wtf/text/WTFString.h"
namespace blink {
class Tracing : public RefCounted<Tracing>, public DartWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
~Tracing() override;
static PassRefPtr<Tracing> create() { return adoptRef(new Tracing); }
void begin(const String& name);
void end(const String& name);
private:
Tracing();
};
} // namespace blink
#endif // SKY_ENGINE_CORE_FRAME_TRACING_H_