Implements logging in the new compact translate UI.

chrome/browser/translate/android/translate_utils.cc

 // 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.
 
 #include "chrome/browser/translate/android/translate_utils.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/memory/ptr_util.h"
+#include "components/metrics/metrics_log.h"
 #include "components/translate/core/browser/translate_infobar_delegate.h"
 
 using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
 
 ScopedJavaLocalRef<jobjectArray> TranslateUtils::GetJavaLanguages(
     JNIEnv* env,
     translate::TranslateInfoBarDelegate* delegate) {
   std::vector<base::string16> languages;
   languages.reserve(delegate->num_languages());
   for (size_t i = 0; i < delegate->num_languages(); ++i) {
     languages.push_back(delegate->language_name_at(i));
   }
   return base::android::ToJavaArrayOfStrings(env, languages);
 }
 
 ScopedJavaLocalRef<jobjectArray> TranslateUtils::GetJavaLanguageCodes(
     JNIEnv* env,
     translate::TranslateInfoBarDelegate* delegate) {
   std::vector<std::string> codes;
   codes.reserve(delegate->num_languages());
   for (size_t i = 0; i < delegate->num_languages(); ++i) {
     codes.push_back(delegate->language_code_at(i));
   }
   return base::android::ToJavaArrayOfStrings(env, codes);
 }
+
+ScopedJavaLocalRef<jintArray> TranslateUtils::GetJavaLanguageHashCodes(
+    JNIEnv* env,
+    translate::TranslateInfoBarDelegate* delegate) {
+  std::vector<int> hashCodes;
+  hashCodes.reserve(delegate->num_languages());
+  for (size_t i = 0; i < delegate->num_languages(); ++i) {
+    hashCodes.push_back(
+        metrics::MetricsLog::Hash(delegate->language_code_at(i)));
+  }
+  return base::android::ToJavaIntArray(env, hashCodes);
+}