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

chrome/browser/engagement/important_sites_util.h

 // 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_
+#ifndef CHROME_BROWSER_ENGAGEMENT_IMPORTANT_SITES_UTIL_H_
+#define CHROME_BROWSER_ENGAGEMENT_IMPORTANT_SITES_UTIL_H_
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "url/gurl.h"
 
 class Profile;
 
 class ImportantSitesUtil {
@@ skipping 21 matching lines @@
   // 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.
+  // This marks the given origin as important for testing. Note: This changes
+  // the score requirements for the Site Engagement Service, so ONLY call for
+  // testing.
   static void MarkOriginAsImportantForTesting(Profile* profile,
                                               const GURL& origin);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(ImportantSitesUtil);
 };
 
-#endif  // CHROME_BROWSER_ANDROID_PREFERENCES_IMPORTANT_SITES_UTIL_H_
+#endif  // CHROME_BROWSER_ENGAGEMENT_IMPORTANT_SITES_UTIL_H_