Add a SiteEngagementEvictionPolicy.

storage/browser/quota/quota_temporary_storage_evictor.h

 // Copyright 2013 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 STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_
 #define STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_
 
 #include <map>
 #include <string>
 
@@ skipping 77 matching lines @@
   }
 
  private:
   friend class content::QuotaTemporaryStorageEvictorTest;
 
   void StartEvictionTimerWithDelay(int delay_ms);
   void ConsiderEviction();
   void OnGotUsageAndQuotaForEviction(
       QuotaStatusCode status,
       const UsageAndQuota& quota_and_usage);
-  void OnGotLRUOrigin(const GURL& origin);
+  void OnGotEvictionOrigin(const GURL& origin);
   void OnEvictionComplete(QuotaStatusCode status);
 
   void OnEvictionRoundStarted();
   void OnEvictionRoundFinished();
 
   // This is only used for tests.
   void set_repeated_eviction(bool repeated_eviction) {
     repeated_eviction_ = repeated_eviction;
   }
 
@@ skipping 16 matching lines @@
   base::OneShotTimer<QuotaTemporaryStorageEvictor> eviction_timer_;
   base::RepeatingTimer<QuotaTemporaryStorageEvictor> histogram_timer_;
   base::WeakPtrFactory<QuotaTemporaryStorageEvictor> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaTemporaryStorageEvictor);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_