FileAPI: Add FileObserver related interfaces into FileSystemQuotaUtil

webkit/browser/fileapi/sandbox_file_system_backend.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_BROWSER_FILEAPI_SANDBOX_FILE_SYSTEM_BACKEND_H_
 #define WEBKIT_BROWSER_FILEAPI_SANDBOX_FILE_SYSTEM_BACKEND_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 112 matching lines @@
       FileSystemType type,
       std::set<GURL>* origins) OVERRIDE;
   virtual void GetOriginsForHostOnFileThread(
       FileSystemType type,
       const std::string& host,
       std::set<GURL>* origins) OVERRIDE;
   virtual int64 GetOriginUsageOnFileThread(
       FileSystemContext* context,
       const GURL& origin_url,
       FileSystemType type) OVERRIDE;
-
-  virtual void InvalidateUsageCache(const GURL& origin_url,
-                                    FileSystemType type) OVERRIDE;
-  virtual void StickyInvalidateUsageCache(const GURL& origin_url,
-                                          FileSystemType type) OVERRIDE;
+  virtual void InvalidateUsageCache(
+      const GURL& origin_url,
+      FileSystemType type) OVERRIDE;
+  virtual void StickyInvalidateUsageCache(
+      const GURL& origin_url,
+      FileSystemType type) OVERRIDE;
+  virtual void AddFileUpdateObserver(
+      FileSystemType type,
+      FileUpdateObserver* observer,
+      base::SequencedTaskRunner* task_runner) OVERRIDE;
+  virtual void AddFileChangeObserver(
+      FileSystemType type,
+      FileChangeObserver* observer,
+      base::SequencedTaskRunner* task_runner) OVERRIDE;
+  virtual void AddFileAccessObserver(
+      FileSystemType type,
+      FileAccessObserver* observer,
+      base::SequencedTaskRunner* task_runner) OVERRIDE;
+  virtual const UpdateObserverList* GetUpdateObservers(
+      FileSystemType type) const OVERRIDE;
+  virtual const ChangeObserverList* GetChangeObservers(
+      FileSystemType type) const OVERRIDE;
+  virtual const AccessObserverList* GetAccessObservers(
+      FileSystemType type) const OVERRIDE;
 
   void CollectOpenFileSystemMetrics(base::PlatformFileError error_code);
 
-  // Returns observers for the given type.
-  const UpdateObserverList* GetUpdateObservers(FileSystemType type) const;
-  const AccessObserverList* GetAccessObservers(FileSystemType type) const;
-
-  void AddFileUpdateObserver(FileSystemType type,
-                             FileUpdateObserver* observer,
-                             base::SequencedTaskRunner* task_runner);
-  void AddFileChangeObserver(FileSystemType type,
-                             FileChangeObserver* observer,
-                             base::SequencedTaskRunner* task_runner);
-
   // Performs API-specific validity checks on the given path |url|.
   // Returns true if access to |url| is valid in this filesystem.
   bool IsAccessValid(const FileSystemURL& url) const;
 
   void set_enable_temporary_file_system_in_incognito(bool enable) {
     enable_temporary_file_system_in_incognito_ = enable;
   }
 
  private:
   friend class SandboxQuotaObserver;
@@ skipping 57 matching lines @@
   bool enable_usage_tracking_;
 
   base::WeakPtrFactory<SandboxFileSystemBackend> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SandboxFileSystemBackend);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_SANDBOX_FILE_SYSTEM_BACKEND_H_