Implement important sites dialog for desktop.

chrome/browser/browsing_data/browsing_data_important_sites_util.h

Index: chrome/browser/browsing_data/browsing_data_important_sites_util.h
diff --git a/chrome/browser/browsing_data/browsing_data_important_sites_util.h b/chrome/browser/browsing_data/browsing_data_important_sites_util.h
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+// Copyright 2017 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_BROWSING_DATA_BROWSING_DATA_IMPORTANT_SITES_UTIL_H_
+#define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_IMPORTANT_SITES_UTIL_H_
+
+#include "chrome/browser/browsing_data/browsing_data_remover.h"
+#include "chrome/browser/browsing_data/chrome_browsing_data_remover_delegate.h"
+#include "components/browsing_data/core/browsing_data_utils.h"
+
+namespace content {
+class BrowsingDataFilterBuilder;
+}
+
+namespace browsing_data_important_sites_util {
+
+// Deletes the types protected by Important Sites with the filter from
+// |filter_builder|, the other types are deleted completely.
+// The observer will be called twice.
+void Remove(int remove_mask,
+            int origin_mask,
+            browsing_data::TimePeriod time_period,
+            std::unique_ptr<content::BrowsingDataFilterBuilder> filter_builder,
+            BrowsingDataRemover* remover,
+            BrowsingDataRemover::Observer* observer);
+
+}  // namespace browsing_data_important_sites_util
+
+#endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_IMPORTANT_SITES_UTIL_H_