Refactoring ConstructLanguageDetectionEvent.

components/translate/core/common/language_detection_logging_helper.h

Index: components/translate/core/common/language_detection_logging_helper.h
diff --git a/components/translate/core/common/language_detection_logging_helper.h b/components/translate/core/common/language_detection_logging_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..d8f67bba66fb925aa17b571e02e10b90ad0307c5
--- /dev/null
+++ b/components/translate/core/common/language_detection_logging_helper.h
@@ -0,0 +1,23 @@
+// Copyright 2017 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_TRANSLATE_CORE_COMMON_LANGUAGE_DETECTION_LOGGING_HELPER_H_
+#define COMPONENTS_TRANSLATE_CORE_COMMON_LANGUAGE_DETECTION_LOGGING_HELPER_H_
+
+#include <memory>
+
+namespace sync_pb {
+class UserEventSpecifics;
+}
+
+namespace translate {
+
+struct LanguageDetectionDetails;
+
+std::unique_ptr<sync_pb::UserEventSpecifics> ConstructLanguageDetectionEvent(
+    const LanguageDetectionDetails& details);
+
+}  // namespace translate
+
+#endif  // COMPONENTS_TRANSLATE_CORE_COMMON_LANGUAGE_DETECTION_LOGGING_HELPER_H_