2 files changed, 9 insertions, 0 deletions
diff --git a/webkit/browser/fileapi/external_mount_points.cc b/webkit/browser/fileapi/external_mount_points.cc
index cfc155a..137db87 100644
--- a/webkit/browser/fileapi/external_mount_points.cc
+++ b/webkit/browser/fileapi/external_mount_points.cc
@@ -233,6 +233,12 @@ FileSystemURL ExternalMountPoints::CreateExternalFileSystemURL(
           base::FilePath::kSeparators[0] + path.value()));
 }
 
+void ExternalMountPoints::RevokeAllFileSystems() {
+  base::AutoLock locker(lock_);
+  instance_map_.clear();
+  path_to_name_map_.clear();
+}
+
 ExternalMountPoints::ExternalMountPoints() {}
 
 ExternalMountPoints::~ExternalMountPoints() {
diff --git a/webkit/browser/fileapi/external_mount_points.h b/webkit/browser/fileapi/external_mount_points.h
index e4d059f..e4ce660 100644
--- a/webkit/browser/fileapi/external_mount_points.h
+++ b/webkit/browser/fileapi/external_mount_points.h
@@ -101,6 +101,9 @@ class WEBKIT_STORAGE_BROWSER_EXPORT ExternalMountPoints
       const std::string& mount_name,
       const base::FilePath& path) const;
 
+  // Revoke all registered filesystems. Used only by testing (for clean-ups).
+  void RevokeAllFileSystems();
+
  private:
   friend class base::RefCountedThreadSafe<ExternalMountPoints>;