Move language detection to a component

components/translate/common/translate_metrics.h

 // 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.
 
-#ifndef CHROME_COMMON_TRANSLATE_TRANSLATE_COMMON_METRICS_H_
-#define CHROME_COMMON_TRANSLATE_TRANSLATE_COMMON_METRICS_H_
+#ifndef COMPONENTS_TRANSLATE_COMMON_TRANSLATE_METRICS_H_
+#define COMPONENTS_TRANSLATE_COMMON_TRANSLATE_METRICS_H_
 
 #include <string>
 
 #include "base/time/time.h"
 
-namespace TranslateCommonMetrics {
+namespace translate {
 
 // An indexing type to query each UMA entry name via GetMetricsName() function.
 // Note: |kMetricsEntries| should be updated when a new entry is added here.
 enum MetricsNameIndex {
   UMA_LANGUAGE_DETECTION,
   UMA_CONTENT_LANGUAGE,
   UMA_HTML_LANG,
   UMA_LANGUAGE_VERIFICATION,
   UMA_TIME_TO_BE_READY,
   UMA_TIME_TO_LOAD,
@@ skipping 69 matching lines @@
 // Called when CLD detects page language.
 void ReportLanguageDetectionTime(base::TimeTicks begin, base::TimeTicks end);
 
 // Called when CLD agreed on a language which is different, but in the similar
 // language list.
 void ReportSimilarLanguageMatch(bool match);
 
 // Gets UMA name for an entry specified by |index|.
 const char* GetMetricsName(MetricsNameIndex index);
 
-}  // namespace TranslateCommonMetrics
+}  // namespace translate
 
-#endif  // CHROME_COMMON_TRANSLATE_TRANSLATE_COMMON_METRICS_H_
+#endif  // COMPONENTS_TRANSLATE_COMMON_TRANSLATE_METRICS_H_