Add tests for how LocalStorageContextMojo interacts with file/leveldb services.

content/browser/dom_storage/local_storage_context_mojo.cc

 // Copyright 2016 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 "content/browser/dom_storage/local_storage_context_mojo.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "components/leveldb/public/cpp/util.h"
 #include "content/browser/leveldb_wrapper_impl.h"
@@ skipping 123 matching lines @@
     // We failed to open the directory; continue with startup so that we create
     // the |level_db_wrappers_|.
     OnDatabaseOpened(leveldb::mojom::DatabaseError::IO_ERROR);
     return;
   }
 
   // Now that we have a directory, connect to the LevelDB service and get our
   // database.
   file_service_connection_->GetInterface(&leveldb_service_);
 
-  leveldb_service_->Open(std::move(directory_), "leveldb",
-                         MakeRequest(&database_),
-                         base::Bind(&LocalStorageContextMojo::OnDatabaseOpened,
-                                    weak_ptr_factory_.GetWeakPtr()));
+  auto options = leveldb::mojom::OpenOptions::New();
+  options->create_if_missing = true;
+  leveldb_service_->OpenWithOptions(
+      std::move(options), std::move(directory_), "leveldb",
+      MakeRequest(&database_),
+      base::Bind(&LocalStorageContextMojo::OnDatabaseOpened,
+                 weak_ptr_factory_.GetWeakPtr()));
 }
 
 void LocalStorageContextMojo::OnDatabaseOpened(
     leveldb::mojom::DatabaseError status) {
   if (status != leveldb::mojom::DatabaseError::OK) {
     // If we failed to open the database, reset the service object so we pass
     // null pointers to our wrappers.
     database_.reset();
     leveldb_service_.reset();
   }
@@ skipping 72 matching lines @@
                    base::Unretained(this), origin),
         base::Bind(&LocalStorageContextMojo::OnLevelDBWrapperPrepareToCommit,
                    base::Unretained(this)));
     found = level_db_wrappers_.find(origin);
   }
 
   found->second->Bind(std::move(request));
 }
 
 }  // namespace content