[Translate] Integrate TranslateEventProto UMA logging into TranslateManager.

chrome/browser/translate/chrome_translate_client.h

Index: chrome/browser/translate/chrome_translate_client.h
diff --git a/chrome/browser/translate/chrome_translate_client.h b/chrome/browser/translate/chrome_translate_client.h
index cf027569a97d7195652d9b259ccc2421e00e7ab2..23a1a6911cb706b370a9e0cdd1cc89bb68d835c4 100644
--- a/chrome/browser/translate/chrome_translate_client.h
+++ b/chrome/browser/translate/chrome_translate_client.h
@@ -36,6 +36,8 @@ class TranslatePrefs;
 class TranslateManager;
 }  // namespace translate
 
+enum class ShowTranslateBubbleResult;
+
 class ChromeTranslateClient
     : public translate::TranslateClient,
       public translate::ContentTranslateDriver::Observer,
@@ -117,8 +119,9 @@ class ChromeTranslateClient
   void WebContentsDestroyed() override;
 
   // Shows the translate bubble.
-  void ShowBubble(translate::TranslateStep step,
-                  translate::TranslateErrors::Type error_type);
+  ShowTranslateBubbleResult ShowBubble(
+      translate::TranslateStep step,
+      translate::TranslateErrors::Type error_type);
 
   translate::ContentTranslateDriver translate_driver_;
   std::unique_ptr<translate::TranslateManager> translate_manager_;