[PPAPI] Quarantine files that are writeable by a Pepper plugin.

base/test/test_file_util.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 BASE_TEST_TEST_FILE_UTIL_H_
 #define BASE_TEST_TEST_FILE_UTIL_H_
 
 // File utility functions used only by tests.
 
 #include <stddef.h>
@@ skipping 32 matching lines @@
 // to access this file will result in a cold load from the hard drive.
 bool EvictFileFromSystemCache(const FilePath& file);
 
 #if defined(OS_WIN)
 // Deny |permission| on the file |path| for the current user. |permission| is an
 // ACCESS_MASK structure which is defined in
 // https://msdn.microsoft.com/en-us/library/windows/desktop/aa374892.aspx
 // Refer to https://msdn.microsoft.com/en-us/library/aa822867.aspx for a list of
 // possible values.
 bool DenyFilePermission(const FilePath& path, DWORD permission);
-
-// Returns true if the volume supports Alternate Data Streams.
-bool VolumeSupportsADS(const FilePath& path);
-
-// Returns true if the ZoneIdentifier is correctly set to "Internet" (3).
-// Note that this function must be called from the same process as
-// the one that set the zone identifier.  I.e. don't use it in UI/automation
-// based tests.
-bool HasInternetZoneIdentifier(const FilePath& full_path);
 #endif  // defined(OS_WIN)
 
 // For testing, make the file unreadable or unwritable.
 // In POSIX, this does not apply to the root user.
 bool MakeFileUnreadable(const FilePath& path) WARN_UNUSED_RESULT;
 bool MakeFileUnwritable(const FilePath& path) WARN_UNUSED_RESULT;
 
 // Saves the current permissions for a path, and restores it on destruction.
 class FilePermissionRestorer {
  public:
@@ skipping 10 matching lines @@
 
 #if defined(OS_ANDROID)
 // Insert an image file into the MediaStore, and retrieve the content URI for
 // testing purpose.
 FilePath InsertImageIntoMediaStore(const FilePath& path);
 #endif  // defined(OS_ANDROID)
 
 }  // namespace base
 
 #endif  // BASE_TEST_TEST_FILE_UTIL_H_