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// Copyright (c) 2011 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 CHROME_RENDERER_PLAYBACK_EXTENSION_H_
#define CHROME_RENDERER_PLAYBACK_EXTENSION_H_
namespace v8 {
class Extension;
}
namespace extensions_v8 {
// Inject code which overrides a few common JS functions for implementing
// randomness. In order to implement effective record & playback of
// websites, it is important that the URLs not change. Many popular web
// based apps use randomness in URLs to unique-ify urls for proxies.
// Unfortunately, this breaks playback.
// To work around this, we take the two most common client-side randomness
// generators and make them constant. They really need to be constant
// (rather than a constant seed followed by constant change)
// because the playback mode wants flexibility in how it plays them back
// and cannot always guarantee that requests for randomness are played back
// in exactly the same order in which they were recorded.
class PlaybackExtension {
public:
static v8::Extension* Get();
};
} // namespace extensions_v8
#endif // CHROME_RENDERER_PLAYBACK_EXTENSION_H_
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