Moves shared history test helpers into util classes.

components/history/core/test/history_service_test_util.h

Index: components/history/core/test/history_service_test_util.h
diff --git a/components/history/core/test/history_service_test_util.h b/components/history/core/test/history_service_test_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..c2456a5dda46941000e05ae4068a868ca4e8be68
--- /dev/null
+++ b/components/history/core/test/history_service_test_util.h
@@ -0,0 +1,30 @@
+// 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.
+
+#ifndef COMPONENTS_HISTORY_CORE_TEST_HISTORY_SERVICE_TEST_UTIL_H_
+#define COMPONENTS_HISTORY_CORE_TEST_HISTORY_SERVICE_TEST_UTIL_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace base {
+class FilePath;
+}
+
+namespace history {
+class HistoryService;
+
+scoped_ptr<HistoryService> CreateHistoryService(
+    const base::FilePath& history_dir,
+    const std::string& accept_languages,
+    bool create_db);
+
+void BlockUntilHistoryProcessesPendingRequests(
+    HistoryService* history_service);
+
+}  // namespace history
+
+#endif  // COMPONENTS_HISTORY_CORE_TEST_HISTORY_SERVICE_TEST_UTIL_H_