Implement QuotaTemporaryStorageEvictor.

webkit/quota/quota_task.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_TASK_H_
 #define WEBKIT_QUOTA_QUOTA_TASK_H_
 #pragma once
 
 #include <set>
 
@@ skipping 60 matching lines @@
   }
 
  private:
   friend class base::RefCountedThreadSafe<QuotaThreadTask>;
   friend class QuotaTaskObserver;
   void CallRunOnTargetThread();
 
   scoped_refptr<base::MessageLoopProxy> target_message_loop_;
 };
 
+// For delayed tasks that post tasks to the other thread.
+class QuotaDelayedThreadTask : public QuotaThreadTask {
+ public:
+  QuotaDelayedThreadTask(
+      QuotaTaskObserver* observer,
+      scoped_refptr<base::MessageLoopProxy> target_message_loop
+      int64 delay_ms);
+
+ protected:
+  virtual void Run() OVERRIDE;
+
+ private:
+  int64 delay_ms_;
+};
+
 class QuotaTaskObserver {
  public:
   virtual ~QuotaTaskObserver();
 
  protected:
   friend class QuotaTask;
   friend class QuotaThreadTask;
 
   QuotaTaskObserver();
   void RegisterTask(QuotaTask* task);
   void UnregisterTask(QuotaTask* task);
 
   typedef std::set<QuotaTask*> TaskSet;
   TaskSet running_quota_tasks_;
 };
 
 }
 
 #endif  // WEBKIT_QUOTA_QUOTA_TASK_H_