Revert of mandoline filesystem: Save cookie data to the mojo:filesystem.

sql/mojo/vfs_unittest.cc

Index: sql/mojo/vfs_unittest.cc
diff --git a/sql/mojo/vfs_unittest.cc b/sql/mojo/vfs_unittest.cc
index db16638c320dcdf0176c7f2d35bbe093eaf2b7ce..8ca7c5c21a7dad7c794e5f6a9c5e16ca9623828d 100644
--- a/sql/mojo/vfs_unittest.cc
+++ b/sql/mojo/vfs_unittest.cc
@@ -115,19 +115,6 @@
   file->pMethods->xClose(file2.get());
 }
 
-TEST_F(VFSTest, NullFilenameOpen) {
-  // Opening a file with a null filename should return a valid file object.
-  scoped_ptr<sqlite3_file> file(MakeFile());
-  int out_flags;
-  int rc = vfs()->xOpen(
-      vfs(), nullptr, file.get(),
-      SQLITE_OPEN_DELETEONCLOSE | SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE,
-      &out_flags);
-  EXPECT_EQ(SQLITE_OK, rc);
-
-  file->pMethods->xClose(file.get());
-}
-
 TEST_F(VFSTest, DeleteOnClose) {
   {
     scoped_ptr<sqlite3_file> file(MakeFile());