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

webkit/browser/fileapi/file_system_context.h

Index: webkit/browser/fileapi/file_system_context.h
diff --git a/webkit/browser/fileapi/file_system_context.h b/webkit/browser/fileapi/file_system_context.h
index 6e539819518e19f1dd6c1e1044cc88659cf00cf2..c51f45dd69710a03050e98222ae870dca113500b 100644
--- a/webkit/browser/fileapi/file_system_context.h
+++ b/webkit/browser/fileapi/file_system_context.h
@@ -291,6 +291,10 @@ class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemContext
   // (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(