Allow choosing target language in more languages menu(translate infobar)

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

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateCompactInfoBar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateCompactInfoBar.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateCompactInfoBar.java
index 1dc3f014e3602bc77470b23606ee8104b89b0845..21a032f70dc2218818e557a1ab4c193ece0e623b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateCompactInfoBar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/TranslateCompactInfoBar.java
@@ -411,6 +411,12 @@ public class TranslateCompactInfoBar extends InfoBar
 
     @Override
     public void onSourceMenuItemClicked(String code) {
+        // If source language is same as target language, the infobar will dismiss and no
+        // translation will be done.
+        if (mOptions.targetLanguageCode().equals(code)) {
+            closeInfobar(true);
+            return;
+        }
         // Reset source code in both UI and native.
         if (mNativeTranslateInfoBarPtr != 0 && mOptions.setSourceLanguage(code)) {
             recordInfobarLanguageData(