[FileAPI] Remove Flush() on write completion on SandboxFileSystems

webkit/browser/fileapi/file_system_context.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_FILE_SYSTEM_CONTEXT_H_
 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_CONTEXT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 273 matching lines @@
 #endif
 
   SandboxFileSystemBackendDelegate* sandbox_delegate() {
     return sandbox_delegate_.get();
   }
 
   // Returns true if the requested url is ok to be served.
   // (E.g. this returns false if the context is created for incognito mode)
   bool CanServeURLRequest(const FileSystemURL& url) const;
 
+  // Returns true if a file in the file system should be flushed for each write
+  // completion.
+  bool ShouldFlushOnWriteCompletion(FileSystemType type) const;
+
   // This must be used to open 'plugin private' filesystem.
   // See "plugin_private_file_system_backend.h" for more details.
   void OpenPluginPrivateFileSystem(
       const GURL& origin_url,
       FileSystemType type,
       const std::string& filesystem_id,
       const std::string& plugin_id,
       OpenFileSystemMode mode,
       const StatusCallback& callback);
 
@@ skipping 105 matching lines @@
 
 struct DefaultContextDeleter {
   static void Destruct(const FileSystemContext* context) {
     context->DeleteOnCorrectThread();
   }
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_CONTEXT_H_