Implementation of translation event logging.

ios/web_view/internal/translate/web_view_translate_client.mm

Index: ios/web_view/internal/translate/web_view_translate_client.mm
diff --git a/ios/web_view/internal/translate/web_view_translate_client.mm b/ios/web_view/internal/translate/web_view_translate_client.mm
index 20af563706b74532e3d5ca8c4c7adb1d6d251080..e98f3198c2bdef58f073cacaf8f06d25e070bb7c 100644
--- a/ios/web_view/internal/translate/web_view_translate_client.mm
+++ b/ios/web_view/internal/translate/web_view_translate_client.mm
@@ -108,6 +108,11 @@ int WebViewTranslateClient::GetInfobarIconID() const {
   return 0;
 }
 
+void WebViewTranslateClient::RecordTranslateEvent(
+    const metrics::TranslateEventProto&) {
+  // TODO(renjieliu): Implementing gaia-keyed logging.
+}
+
 bool WebViewTranslateClient::IsTranslatableURL(const GURL& url) {
   return !url.is_empty() && !url.SchemeIs(url::kFtpScheme);
 }