[Durable] Updated Durable heuristic to use 'important sites'

chrome/browser/android/preferences/important_sites_util.h

Index: chrome/browser/android/preferences/important_sites_util.h
diff --git a/chrome/browser/android/preferences/important_sites_util.h b/chrome/browser/android/preferences/important_sites_util.h
deleted file mode 100644
index 19ee25fb4166c7a625ddc60034436542a4e851a8..0000000000000000000000000000000000000000
--- a/chrome/browser/android/preferences/important_sites_util.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2016 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_ANDROID_PREFERENCES_IMPORTANT_SITES_UTIL_H_
-#define CHROME_BROWSER_ANDROID_PREFERENCES_IMPORTANT_SITES_UTIL_H_
-
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "url/gurl.h"
-
-class Profile;
-
-class ImportantSitesUtil {
- public:
-  struct ImportantDomainInfo {
-    std::string registerable_domain;
-    GURL example_origin;
-    double engagement_score = 0;
-    int32_t reason_bitfield = 0;
-  };
-
-  // This returns the top |<=max_results| important registrable domains. This
-  // uses site engagement and notifications to generate the list. |max_results|
-  // is assumed to be small.
-  // See net/base/registry_controlled_domains/registry_controlled_domain.h for
-  // more details on registrable domains and the current list of effective
-  // eTLDs.
-  static std::vector<ImportantDomainInfo> GetImportantRegisterableDomains(
-      Profile* profile,
-      size_t max_results);
-
-  // Record the sites that the user chose to blacklist from clearing (in the
-  // Clear Browsing Dialog) and the sites they ignored. The blacklisted sites
-  // are NOT cleared as they are 'blacklisted' from the clear operation.
-  // This records metrics for blacklisted and ignored sites and removes any
-  // 'ignored' sites from our important sites list if they were ignored 3 times
-  // in a row.
-  static void RecordBlacklistedAndIgnoredImportantSites(
-      Profile* profile,
-      const std::vector<std::string>& blacklisted_sites,
-      const std::vector<int32_t>& blacklisted_sites_reason_bitfield,
-      const std::vector<std::string>& ignored_sites,
-      const std::vector<int32_t>& ignored_sites_reason_bitfield);
-
-  // This marks the given origin as important for testing.
-  static void MarkOriginAsImportantForTesting(Profile* profile,
-                                              const GURL& origin);
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ImportantSitesUtil);
-};
-
-#endif  // CHROME_BROWSER_ANDROID_PREFERENCES_IMPORTANT_SITES_UTIL_H_