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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 CHROME_BROWSER_DATA_USAGE_TAB_ID_ANNOTATOR_H_
#define CHROME_BROWSER_DATA_USAGE_TAB_ID_ANNOTATOR_H_
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread_checker.h"
#include "components/data_usage/core/data_use_annotator.h"
namespace data_usage {
struct DataUse;
}
namespace net {
class URLRequest;
}
namespace chrome_browser_data_usage {
// Class that annotates DataUse objects with their associated tab IDs.
class TabIdAnnotator : public data_usage::DataUseAnnotator {
public:
TabIdAnnotator();
~TabIdAnnotator() override;
// Determines the tab ID associated with |request| if there is one, setting
// the tab ID on |data_use| appropriately and passing it to |callback| once
// the tab ID is ready. A tab ID of -1 is used if no tab ID is found for
// |request|. This method will attach a new TabIdProvider to |request| as user
// data if there isn't one attached already and |request| has enough
// information to get a tab ID.
void Annotate(net::URLRequest* request,
scoped_ptr<data_usage::DataUse> data_use,
const DataUseConsumerCallback& callback) override;
private:
base::ThreadChecker thread_checker_;
DISALLOW_COPY_AND_ASSIGN(TabIdAnnotator);
};
} // namespace chrome_browser_data_usage
#endif // CHROME_BROWSER_DATA_USAGE_TAB_ID_ANNOTATOR_H_
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