Move LanguageUsageMetrics and TranslateBrowserMetrics to components

chrome/browser/translate/translate_browser_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_BROWSER_TRANSLATE_TRANSLATE_BROWSER_METRICS_H_
-#define CHROME_BROWSER_TRANSLATE_TRANSLATE_BROWSER_METRICS_H_
-
-#include <string>
-
-namespace TranslateBrowserMetrics {
-
-// 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_INITIATION_STATUS,
-  UMA_LANGUAGE_DETECTION_ERROR,
-  UMA_LOCALES_ON_DISABLED_BY_PREFS,
-  UMA_UNDISPLAYABLE_LANGUAGE,
-  UMA_UNSUPPORTED_LANGUAGE_AT_INITIATION,
-  UMA_MAX,
-};
-
-// When Chrome Translate is ready to translate a page, one of following reason
-// decide the next browser action.
-// Note: Don't insert any item. It will change reporting UMA value, and break
-// the UMA dashboard page. Insteads, append it at the end of enum as suggested
-// below.
-enum InitiationStatusType {
-  INITIATION_STATUS_DISABLED_BY_PREFS,
-  INITIATION_STATUS_DISABLED_BY_SWITCH,
-  INITIATION_STATUS_DISABLED_BY_CONFIG,
-  INITIATION_STATUS_LANGUAGE_IS_NOT_SUPPORTED,
-  INITIATION_STATUS_URL_IS_NOT_SUPPORTED,
-  INITIATION_STATUS_SIMILAR_LANGUAGES,
-  INITIATION_STATUS_ACCEPT_LANGUAGES,
-  INITIATION_STATUS_AUTO_BY_CONFIG,
-  INITIATION_STATUS_AUTO_BY_LINK,
-  INITIATION_STATUS_SHOW_INFOBAR,
-  INITIATION_STATUS_MIME_TYPE_IS_NOT_SUPPORTED,
-  // Insert new items here.
-  INITIATION_STATUS_MAX,
-};
-
-// Called when Chrome Translate is initiated to report a reason of the next
-// browser action.
-void ReportInitiationStatus(InitiationStatusType type);
-
-// Called when Chrome opens the URL so that the user sends an error feedback.
-void ReportLanguageDetectionError();
-
-void ReportLocalesOnDisabledByPrefs(const std::string& locale);
-
-// Called when Chrome Translate server sends the language list which includes
-// a undisplayable language in the user's locale.
-void ReportUndisplayableLanguage(const std::string& language);
-
-void ReportUnsupportedLanguageAtInitiation(const std::string& language);
-
-// Provides UMA entry names for unit tests.
-const char* GetMetricsName(MetricsNameIndex index);
-
-}  // namespace TranslateBrowserMetrics
-
-#endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_BROWSER_METRICS_H_