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

webkit/browser/fileapi/sandbox_origin_database.h

 // 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.
 
 #ifndef WEBKIT_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_
 #define WEBKIT_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "webkit/browser/fileapi/sandbox_origin_database_interface.h"
 
 namespace leveldb {
 class DB;
+class Env;
 class Status;
 }
 
 namespace tracked_objects {
 class Location;
 }
 
 namespace fileapi {
 
 // All methods of this class other than the constructor may be used only from
 // the browser's FILE thread.  The constructor may be used on any thread.
 class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE SandboxOriginDatabase
     : public SandboxOriginDatabaseInterface {
  public:
   // Only one instance of SandboxOriginDatabase should exist for a given path
   // at a given time.
-  explicit SandboxOriginDatabase(const base::FilePath& file_system_directory);
+  SandboxOriginDatabase(const base::FilePath& file_system_directory,
+                        leveldb::Env* env_override);
   virtual ~SandboxOriginDatabase();
 
   // SandboxOriginDatabaseInterface overrides.
   virtual bool HasOriginPath(const std::string& origin) OVERRIDE;
   virtual bool GetPathForOrigin(const std::string& origin,
                                 base::FilePath* directory) OVERRIDE;
   virtual bool RemovePathForOrigin(const std::string& origin) OVERRIDE;
   virtual bool ListAllOrigins(std::vector<OriginRecord>* origins) OVERRIDE;
   virtual void DropDatabase() OVERRIDE;
 
@@ skipping 13 matching lines @@
   };
 
   bool Init(InitOption init_option, RecoveryOption recovery_option);
   bool RepairDatabase(const std::string& db_path);
   void HandleError(const tracked_objects::Location& from_here,
                    const leveldb::Status& status);
   void ReportInitStatus(const leveldb::Status& status);
   bool GetLastPathNumber(int* number);
 
   base::FilePath file_system_directory_;
+  leveldb::Env* env_override_;
   scoped_ptr<leveldb::DB> db_;
   base::Time last_reported_time_;
   DISALLOW_COPY_AND_ASSIGN(SandboxOriginDatabase);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_