Don't offer to translate between Simplified and Traditional Chinese

components/translate/core/browser/translate_manager.cc

Index: components/translate/core/browser/translate_manager.cc
diff --git a/components/translate/core/browser/translate_manager.cc b/components/translate/core/browser/translate_manager.cc
index 33d3c514a5d011646e21b4c5aedfbff7679a21f6..3bf00260615539e0ad63f032423bb3abb71f905e 100644
--- a/components/translate/core/browser/translate_manager.cc
+++ b/components/translate/core/browser/translate_manager.cc
@@ -224,7 +224,10 @@ void TranslateManager::InitiateTranslation(const std::string& page_lang) {
   InitTranslateEvent(language_code, target_lang, *translate_prefs);
 
   // Don't translate similar languages (ex: en-US to en).
-  if (language_code == target_lang) {
+  // Also do not offer to translate between Simplified and Traditional Chinese.
+  if (language_code == target_lang ||
+      (language_code == "zh-CN" && target_lang == "zh-TW") ||
+      (language_code == "zh-TW" && target_lang == "zh-CN")) {
     TranslateBrowserMetrics::ReportInitiationStatus(
         TranslateBrowserMetrics::INITIATION_STATUS_SIMILAR_LANGUAGES);
     return;