Componentize HistoryDatabase

components/history/content/browser/history_database_helper.cc

Index: components/history/content/browser/history_database_helper.cc
diff --git a/components/history/content/browser/history_database_helper.cc b/components/history/content/browser/history_database_helper.cc
new file mode 100644
index 0000000000000000000000000000000000000000..14fef9b0ce96dddfaccbcce5f9b28b566083b4f6
--- /dev/null
+++ b/components/history/content/browser/history_database_helper.cc
@@ -0,0 +1,24 @@
+// Copyright 2015 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 "components/history/content/browser/history_database_helper.h"
+
+#include "base/files/file_path.h"
+#include "components/history/content/browser/download_constants_utils.h"
+#include "components/history/core/browser/history_database_params.h"
+#include "content/public/browser/download_interrupt_reasons.h"
+
+namespace history {
+
+HistoryDatabaseParams HistoryDatabaseParamsForPath(
+    const base::FilePath& history_dir) {
+  return HistoryDatabaseParams(
+      history_dir,
+      history::ToHistoryDownloadInterruptReason(
+          content::DOWNLOAD_INTERRUPT_REASON_NONE),
+      history::ToHistoryDownloadInterruptReason(
+          content::DOWNLOAD_INTERRUPT_REASON_CRASH));
+}
+
+}  // namespace