Translate: move UMA related code in TranslateManager to TranslateManagerMetrics

chrome/browser/translate/translate_manager.cc

 // Copyright (c) 2012 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 "chrome/browser/translate/translate_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/json/json_reader.h"
@@ skipping 690 matching lines @@
   web_contents->GetRenderViewHost()->Send(new ChromeViewMsg_RevertTranslation(
       web_contents->GetRenderViewHost()->GetRoutingID(), entry->GetPageID()));
 
   TranslateTabHelper* translate_tab_helper =
       TranslateTabHelper::FromWebContents(web_contents);
   translate_tab_helper->language_state().set_current_language(
       translate_tab_helper->language_state().original_language());
 }
 
 void TranslateManager::ReportLanguageDetectionError(WebContents* web_contents) {
-  UMA_HISTOGRAM_COUNTS("Translate.ReportLanguageDetectionError", 1);
+  TranslateManagerMetrics::ReportLanguageDetectionError();
   // We'll open the URL in a new tab so that the user can tell us more.
   Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
   if (!browser) {
     NOTREACHED();
     return;
   }
 
   GURL report_error_url = GURL(kReportLanguageDetectionErrorURL);
 
   GURL page_url = web_contents->GetController().GetActiveEntry()->GetURL();
@@ skipping 37 matching lines @@
       translate_script, source_lang, target_lang));
 }
 
 void TranslateManager::PageTranslated(WebContents* web_contents,
                                       PageTranslatedDetails* details) {
   if ((details->error_type == TranslateErrors::NONE) &&
       !IsSupportedLanguage(details->source_language)) {
     // TODO(jcivelli): http://crbug.com/9390 We should change the "after
     //                 translate" infobar to support unknown as the original
     //                 language.
-    UMA_HISTOGRAM_COUNTS("Translate.ServerReportedUnsupportedLanguage", 1);
+    TranslateManagerMetrics::ReportUnsupportedLanguage();
     details->error_type = TranslateErrors::UNSUPPORTED_LANGUAGE;
   }
   Profile* profile =
       Profile::FromBrowserContext(web_contents->GetBrowserContext());
   PrefService* prefs = profile->GetPrefs();
   TranslateInfoBarDelegate::Create(
       InfoBarService::FromWebContents(web_contents), true,
       (details->error_type == TranslateErrors::NONE) ?
           TranslateInfoBarDelegate::AFTER_TRANSLATE :
           TranslateInfoBarDelegate::TRANSLATION_ERROR,
@@ skipping 183 matching lines @@
   // reason so we are more aggressive showing the shortcuts for never translate.
   #if defined(OS_ANDROID)
   config.never_translate_min_count = 1;
   #else
   config.never_translate_min_count = 3;
   #endif  // defined(OS_ANDROID)
 
   config.always_translate_min_count = 3;
   return config;
 }