Implement QuotaTemporaryStorageEvictor.

webkit/quota/quota_manager.h

 // Copyright (c) 2011 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 WEBKIT_QUOTA_QUOTA_MANAGER_H_
 #define WEBKIT_QUOTA_QUOTA_MANAGER_H_
 #pragma once
 
 #include <deque>
 #include <list>
@@ skipping 19 matching lines @@
 
 class QuotaDatabase;
 class UsageTracker;
 
 struct QuotaManagerDeleter;
 class QuotaManagerProxy;
 
 // An interface called by QuotaTemporaryStorageEvictor.
 class QuotaEvictionHandler {
  public:
+  virtual ~QuotaEvictionHandler() {}
+
   typedef Callback1<const GURL&>::Type GetLRUOriginCallback;
   typedef Callback1<QuotaStatusCode>::Type EvictOriginDataCallback;
   typedef Callback4<QuotaStatusCode,
                     int64 /* usage */,
                     int64 /* quota */,
                     int64 /* physical_available */ >::Type
       GetUsageAndQuotaForEvictionCallback;
 
   // Returns the least recently used origin.  It might return empty
   // GURL when there are no evictable origins.
   virtual void GetLRUOrigin(
       StorageType type,
       GetLRUOriginCallback* callback) = 0;
 
   virtual void EvictOriginData(
       const GURL& origin,
       StorageType type,
       EvictOriginDataCallback* callback) = 0;
 
   virtual void GetUsageAndQuotaForEviction(
       GetUsageAndQuotaForEvictionCallback* callback) = 0;
-
- protected:
-  virtual ~QuotaEvictionHandler() {}
 };
 
 // The quota manager class.  This class is instantiated per profile and
 // held by the profile.  With the exception of the constructor and the
 // proxy() method, all methods should only be called on the IO thread.
 class QuotaManager : public QuotaTaskObserver,
                      public QuotaEvictionHandler,
                      public base::RefCountedThreadSafe<
                          QuotaManager, QuotaManagerDeleter> {
  public:
@@ skipping 229 matching lines @@
   QuotaManager* manager_;  // only accessed on the io thread
   scoped_refptr<base::MessageLoopProxy> io_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaManagerProxy);
 };
 
 
 }  // namespace quota
 
 #endif  // WEBKIT_QUOTA_QUOTA_MANAGER_H_