Control use of the File System API for reading
Supported on: Microsoft Windows 7 or later
Registry
HKLM
Software\Policies\Google\Chrome HKCU
Software\Policies\Google\Chrome Options
DefaultFileSystemReadGuardSetting enum - Do not allow any site to request read access to files and directories via the File System API
->
2 - Allow sites to ask the user to grant read access to files and directories via the File System API
->
3
Description
Setting the policy to 3 lets websites ask for read access to files and directories in the host operating system's file system via the File System API. Setting the policy to 2 denies access. Leaving it unset lets websites ask for access, but users can change this setting.