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 ddc9bed2305bb80029b705665fcf669dcd387ae1..7ade020a7eadc09f26da1f020442a822b0b0d3b1 100644
--- a/ios/web_view/internal/translate/web_view_translate_client.mm
+++ b/ios/web_view/internal/translate/web_view_translate_client.mm
@@ -112,6 +112,11 @@ int WebViewTranslateClient::GetInfobarIconID() const {
   return 0;
 }
 
+void WebViewTranslateClient::RecordTranslateEvent(
+    const metrics::TranslateEventProto&) {
+  // TODO(crbug.com/728491): Implementing gaia-keyed logging.
+}
+
 bool WebViewTranslateClient::IsTranslatableURL(const GURL& url) {
   return !url.is_empty() && !url.SchemeIs(url::kFtpScheme);
 }