Re-fact TranslateMenuHelper.

chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateOptions.java

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateOptions.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateOptions.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateOptions.java
index 98a7ff17af98871092090bf21a5a5c944ebb2290..4c5c2d1c197808bb03f3c9995a5f8d5352641d44 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateOptions.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateOptions.java
@@ -131,17 +131,11 @@ public class TranslateOptions {
     }
 
     public String sourceLanguageName() {
-        if (isValidLanguageCode(mSourceLanguageCode)) {
-            return mCodeToRepresentation.get(mSourceLanguageCode);
-        }
-        return "";
+        return getRepresentationFromCode(mSourceLanguageCode);
     }
 
     public String targetLanguageName() {
-        if (isValidLanguageCode(mTargetLanguageCode)) {
-            return mCodeToRepresentation.get(mTargetLanguageCode);
-        }
-        return "";
+        return getRepresentationFromCode(mTargetLanguageCode);
     }
 
     public String sourceLanguageCode() {
@@ -232,6 +226,18 @@ public class TranslateOptions {
         return toggleState(ALWAYS_LANGUAGE, value);
     }
 
+    /**
+     * Gets the language's translated representation from a given language code.
+     * @param languageCode ISO code for the language
+     * @return The translated representation of the language, or "" if not found.
+     */
+    public String getRepresentationFromCode(String languageCode) {
+        if (isValidLanguageCode(languageCode)) {
+            return mCodeToRepresentation.get(languageCode);
+        }
+        return "";
+    }
+
     private boolean toggleState(int element, boolean newValue) {
         if (!checkElementBoundaries(element)) return false;