FileAPI: Add Initialize() function to FileSystemBackend

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 55 matching lines @@
     virtual bool HasFileSystemType(FileSystemType type) const = 0;
   };
 
   SandboxFileSystemBackend(
       SandboxContext* sandbox_context,
       const FileSystemOptions& file_system_options);
   virtual ~SandboxFileSystemBackend();
 
   // FileSystemBackend overrides.
   virtual bool CanHandleType(FileSystemType type) const OVERRIDE;
+  virtual void Initialize(const FileSystemContext* context) OVERRIDE;
   virtual void InitializeFileSystem(
       const GURL& origin_url,
       FileSystemType type,
       OpenFileSystemMode mode,
       FileSystemContext* context,
       const InitializeFileSystemCallback& callback) OVERRIDE;
   virtual FileSystemFileUtil* GetFileUtil(FileSystemType type) OVERRIDE;
   virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) OVERRIDE;
   virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory(
       FileSystemType type,
@@ skipping 142 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_