Merge 91814 - Do not create a new directory database for read operations.

webkit/fileapi/obfuscated_file_system_file_util.h

Index: webkit/fileapi/obfuscated_file_system_file_util.h
===================================================================
--- webkit/fileapi/obfuscated_file_system_file_util.h	(revision 93837)
+++ webkit/fileapi/obfuscated_file_system_file_util.h	(working copy)
@@ -212,8 +212,11 @@
   // This does the reverse of DataPathToLocalPath.
   FilePath LocalPathToDataPath(
       const GURL& origin, FileSystemType type, const FilePath& local_path);
+  // This returns NULL if |create| flag is false and a filesystem does not
+  // exist for the given |origin_url| and |type|.
+  // For read operations |create| should be false.
   FileSystemDirectoryDatabase* GetDirectoryDatabase(
-      const GURL& origin_url, FileSystemType type);
+      const GURL& origin_url, FileSystemType type, bool create);
   void MarkUsed();
   void DropDatabases();
   bool DestroyDirectoryDatabase(const GURL& origin, FileSystemType type);