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

webkit/browser/fileapi/sandbox_prioritized_origin_database.cc

 // Copyright 2013 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_prioritized_origin_database.h"
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_platform_file_closer.h"
 #include "base/logging.h"
@@ skipping 39 matching lines @@
   if (!base::ReadFileToString(path, &buffer))
     return false;
   Pickle pickle(buffer.data(), buffer.size());
   PickleIterator iter(pickle);
   return pickle.ReadString(&iter, origin) && !origin->empty();
 }
 
 }  // namespace
 
 SandboxPrioritizedOriginDatabase::SandboxPrioritizedOriginDatabase(
-    const base::FilePath& file_system_directory)
+    const base::FilePath& file_system_directory,
+    leveldb::Env* env_override)
     : file_system_directory_(file_system_directory),
+      env_override_(env_override),
       primary_origin_file_(
           file_system_directory_.Append(kPrimaryOriginFile)) {
 }
 
 SandboxPrioritizedOriginDatabase::~SandboxPrioritizedOriginDatabase() {
 }
 
 bool SandboxPrioritizedOriginDatabase::InitializePrimaryOrigin(
     const std::string& origin) {
   if (!primary_origin_database_) {
@@ skipping 134 matching lines @@
     bool create) {
   MaybeLoadPrimaryOrigin();
   MaybeInitializeNonPrimaryDatabase(create);
 }
 
 void SandboxPrioritizedOriginDatabase::MaybeInitializeNonPrimaryDatabase(
     bool create) {
   if (origin_database_)
     return;
 
-  origin_database_.reset(new SandboxOriginDatabase(file_system_directory_));
+  origin_database_.reset(new SandboxOriginDatabase(file_system_directory_,
+                                                   env_override_));
   if (!create && !base::DirectoryExists(origin_database_->GetDatabasePath())) {
     origin_database_.reset();
     return;
   }
 }
 
 SandboxOriginDatabase*
 SandboxPrioritizedOriginDatabase::GetSandboxOriginDatabase() {
   MaybeInitializeNonPrimaryDatabase(true);
   return origin_database_.get();
 }
 
 }  // namespace fileapi