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

chrome/browser/engagement/important_sites_util.h

Index: chrome/browser/engagement/important_sites_util.h
diff --git a/chrome/browser/android/preferences/important_sites_util.h b/chrome/browser/engagement/important_sites_util.h
similarity index 84%
rename from chrome/browser/android/preferences/important_sites_util.h
rename to chrome/browser/engagement/important_sites_util.h
index 19ee25fb4166c7a625ddc60034436542a4e851a8..c6259358d959f24f5ae8e69d775fb82413021643 100644
--- a/chrome/browser/android/preferences/important_sites_util.h
+++ b/chrome/browser/engagement/important_sites_util.h
@@ -2,8 +2,8 @@
 // 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>
@@ -45,7 +45,9 @@ class ImportantSitesUtil {
       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);
 
@@ -53,4 +55,4 @@ class ImportantSitesUtil {
   DISALLOW_IMPLICIT_CONSTRUCTORS(ImportantSitesUtil);
 };
 
-#endif  // CHROME_BROWSER_ANDROID_PREFERENCES_IMPORTANT_SITES_UTIL_H_
+#endif  // CHROME_BROWSER_ENGAGEMENT_IMPORTANT_SITES_UTIL_H_