Added and replaced some UMAs

chrome/browser/translate/translate_manager.cc

Index: chrome/browser/translate/translate_manager.cc
diff --git a/chrome/browser/translate/translate_manager.cc b/chrome/browser/translate/translate_manager.cc
index 1046922ec62af6e459ac1b4fa785e94b5041e1be..5bb5699fd0d83ff9e3d6254238eb9af1cecdf245 100644
--- a/chrome/browser/translate/translate_manager.cc
+++ b/chrome/browser/translate/translate_manager.cc
@@ -57,6 +57,7 @@
 #include "net/http/http_status_code.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_status.h"
+#include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 #ifdef FILE_MANAGER_EXTENSION
@@ -317,6 +318,12 @@ bool TranslateManager::IsSupportedLanguage(const std::string& page_language) {
   return supported_languages_.Pointer()->count(page_language) != 0;
 }
 
+// static
+bool TranslateManager::IsAvailableLanguage(const std::string& language) {
+  const std::string& locale = g_browser_process->GetApplicationLocale();
+  return l10n_util::IsLocaleNameTranslated(language, locale);;
+}
+
 void TranslateManager::Observe(int type,
                                const content::NotificationSource& source,
                                const content::NotificationDetails& details) {
@@ -593,6 +600,9 @@ void TranslateManager::InitiateTranslation(WebContents* web_contents,
   if (target_lang.empty() || !IsSupportedLanguage(language_code)) {
     TranslateManagerMetrics::ReportInitiationStatus(
         TranslateManagerMetrics::INITIATION_STATUS_LANGUAGE_IS_NOT_SUPPORTED);
+    TranslateManagerMetrics::ReportUnsupportedLanguageAtInitiation(
+        language_code);
+
     return;
   }
 
@@ -791,14 +801,12 @@ void TranslateManager::DoTranslatePage(WebContents* web_contents,
 
 void TranslateManager::PageTranslated(WebContents* web_contents,
                                       PageTranslatedDetails* details) {
-  if ((details->error_type == TranslateErrors::NONE) &&
-      details->source_language != chrome::kUnknownLanguageCode &&
-      !IsSupportedLanguage(details->source_language)) {
-    // TODO(toyoshim): http://crbug.com/242142 We should check if
-    // l10n_util::GetDisplayNameForLocale() support |source_language| here.
-    // Also, following metrics should be modified to have language code.
-    TranslateManagerMetrics::ReportUnsupportedLanguage();
-    details->error_type = TranslateErrors::UNSUPPORTED_LANGUAGE;
+  if (details->error_type == TranslateErrors::NONE) {
+    const std::string& language = details->source_language;
+    if (!IsAvailableLanguage(language)) {
+      TranslateManagerMetrics::ReportUnavailableLanguage(language);
+      details->error_type = TranslateErrors::UNSUPPORTED_LANGUAGE;
+    }
   }
 
   Profile* profile =