kFileSystemTypeIsolated should be only used in the URL exposed to renderer

webkit/tools/test_shell/simple_file_system.cc

Index: webkit/tools/test_shell/simple_file_system.cc
diff --git a/webkit/tools/test_shell/simple_file_system.cc b/webkit/tools/test_shell/simple_file_system.cc
index aae827b0645bbb9be7dc2ec86cef987f7a73ce80..441396df67a176978c3a2d8dd10c6f167ad274b1 100644
--- a/webkit/tools/test_shell/simple_file_system.cc
+++ b/webkit/tools/test_shell/simple_file_system.cc
@@ -264,8 +264,8 @@ void SimpleFileSystem::CleanupOnIOThread() {
 
 bool SimpleFileSystem::HasFilePermission(
     const fileapi::FileSystemURL& url, FilePermission permission) {
-  // Disallow writing on isolated file system, otherwise return ok.
-  return (url.type() != fileapi::kFileSystemTypeIsolated ||
+  // Disallow writing on dragged file system, otherwise return ok.
+  return (url.type() != fileapi::kFileSystemTypeDragged ||
           permission == FILE_PERMISSION_READ);
 }