Grant file access permissions for cached file paths to file browsers/handlers.

chrome/browser/chromeos/gdata/gdata_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 CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_
 #pragma once
 
 #include <string>
 
 class FilePath;
+class Profile;
 
 namespace gdata {
 namespace util {
 
 // Returns the GData mount point path, which looks like "/special/gdata".
 const FilePath& GetGDataMountPointPath();
 
 // Returns the GData mount path as string.
 const std::string& GetGDataMountPointPathAsString();
 
 // Returns true if the given path is under the GData mount point.
 bool IsUnderGDataMountPoint(const FilePath& path);
 
 // Extracts the GData path from the given path located under the GData mount
 // point. Returns an empty path if |path| is not under the GData mount point.
 // Examples: ExtractGDatPath("/special/gdata/foo.txt") => "gdata/foo.txt"
 FilePath ExtractGDataPath(const FilePath& path);
 
+// Grants read-only file access permissions to the process whose id is |pid|
+// with ChildProcessSecurityPolicy for all possible cache paths that may be
+// given to the specified file.
+void SetPermissionsForGDataCacheFiles(Profile* profile,
+                                      int pid,
+                                      const FilePath& path);
 }  // namespace util
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_