Move FileAPI sandboxed filesystem related code from webkit/fileapi to webkit/browser/fileapi

webkit/fileapi/sandbox_quota_observer.h

-// Copyright (c) 2012 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_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_
-#define WEBKIT_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/files/file_path.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "webkit/fileapi/file_observers.h"
-#include "webkit/fileapi/file_system_url.h"
-
-namespace base {
-class SequencedTaskRunner;
-}
-
-namespace quota {
-class QuotaManagerProxy;
-}
-
-namespace fileapi {
-
-class FileSystemUsageCache;
-class FileSystemURL;
-class ObfuscatedFileUtil;
-
-class SandboxQuotaObserver
-    : public FileUpdateObserver,
-      public FileAccessObserver {
- public:
-  typedef std::map<base::FilePath, int64> PendingUpdateNotificationMap;
-
-  SandboxQuotaObserver(
-      quota::QuotaManagerProxy* quota_manager_proxy,
-      base::SequencedTaskRunner* update_notify_runner,
-      ObfuscatedFileUtil* sandbox_file_util,
-      FileSystemUsageCache* file_system_usage_cache_);
-  virtual ~SandboxQuotaObserver();
-
-  // FileUpdateObserver overrides.
-  virtual void OnStartUpdate(const FileSystemURL& url) OVERRIDE;
-  virtual void OnUpdate(const FileSystemURL& url, int64 delta) OVERRIDE;
-  virtual void OnEndUpdate(const FileSystemURL& url) OVERRIDE;
-
-  // FileAccessObserver overrides.
-  virtual void OnAccess(const FileSystemURL& url) OVERRIDE;
-
-  void SetUsageCacheEnabled(const GURL& origin,
-                            FileSystemType type,
-                            bool enabled);
-
- private:
-  void ApplyPendingUsageUpdate();
-  void UpdateUsageCacheFile(const base::FilePath& usage_file_path, int64 delta);
-
-  base::FilePath GetUsageCachePath(const FileSystemURL& url);
-
-  scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
-  scoped_refptr<base::SequencedTaskRunner> update_notify_runner_;
-
-  // Not owned; sandbox_file_util_ should have identical lifetime with this.
-  ObfuscatedFileUtil* sandbox_file_util_;
-
-  // Not owned; file_system_usage_cache_ should have longer lifetime than this.
-  FileSystemUsageCache* file_system_usage_cache_;
-
-  PendingUpdateNotificationMap pending_update_notification_;
-  bool running_delayed_cache_update_;
-
-  base::WeakPtrFactory<SandboxQuotaObserver> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(SandboxQuotaObserver);
-};
-
-}  // namespace fileapi
-
-#endif  // WEBKIT_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_