[FileAPI] Replace default leveldb::Env with leveldb::MemEnv in tests.

webkit/browser/fileapi/sandbox_directory_database_unittest.cc

 // 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.
 
 #include "webkit/browser/fileapi/sandbox_directory_database.h"
 
 #include <math.h>
 #include <limits>
 
 #include "base/file_util.h"
@@ skipping 26 matching lines @@
   }
 
   SandboxDirectoryDatabase* db() {
     return db_.get();
   }
 
   void InitDatabase() {
     // Call CloseDatabase() to avoid having multiple database instances for
     // single directory at once.
     CloseDatabase();
-    db_.reset(new SandboxDirectoryDatabase(path()));
+    db_.reset(new SandboxDirectoryDatabase(path(), NULL));
   }
 
   void CloseDatabase() {
     db_.reset();
   }
 
   base::File::Error AddFileInfo(
       FileId parent_id, const base::FilePath::StringType& name) {
     FileId file_id;
     FileInfo info;
@@ skipping 33 matching lines @@
     ASSERT_TRUE(file.created());
 
     if (file_id_out)
       *file_id_out = file_id;
   }
 
   void ClearDatabaseAndDirectory() {
     db_.reset();
     ASSERT_TRUE(base::DeleteFile(path(), true /* recursive */));
     ASSERT_TRUE(base::CreateDirectory(path()));
-    db_.reset(new SandboxDirectoryDatabase(path()));
+    db_.reset(new SandboxDirectoryDatabase(path(), NULL));
   }
 
   bool RepairDatabase() {
     return db()->RepairDatabase(
         FilePathToString(path().Append(kDirectoryDatabaseName)));
   }
 
   const base::FilePath& path() {
     return base_.path();
   }
@@ skipping 551 matching lines @@
   EXPECT_FALSE(db()->IsFileSystemConsistent());
 
   FileId file_id;
   EXPECT_TRUE(db()->GetChildWithName(0, kFileName, &file_id));
   EXPECT_EQ(file_id_prev, file_id);
 
   EXPECT_TRUE(db()->IsFileSystemConsistent());
 }
 
 }  // namespace fileapi