Introduce a new API to handle native notification clicks

chrome/browser/notifications/stub_notification_platform_bridge.h

Index: chrome/browser/notifications/stub_notification_platform_bridge.h
diff --git a/chrome/browser/notifications/stub_notification_platform_bridge.h b/chrome/browser/notifications/stub_notification_platform_bridge.h
index 368c502f905b5ef6f8e6362ce76c561553ec8acf..137f327a9f47396ba0a562246c70f35c5189d60d 100644
--- a/chrome/browser/notifications/stub_notification_platform_bridge.h
+++ b/chrome/browser/notifications/stub_notification_platform_bridge.h
@@ -10,6 +10,7 @@
 
 #include "base/macros.h"
 #include "chrome/browser/notifications/notification.h"
+#include "chrome/browser/notifications/notification_operation_common.h"
 #include "chrome/browser/notifications/notification_platform_bridge.h"
 
 // Implementation of NotificationPlatformBridge used for tests.
@@ -22,10 +23,12 @@ class StubNotificationPlatformBridge : public NotificationPlatformBridge {
   Notification GetNotificationAt(std::string profile_id, size_t index);
 
   // NotificationPlatformBridge implementation.
-  void Display(const std::string& notification_id,
-               const std::string& profile_id,
-               bool incognito,
-               const Notification& notification) override;
+  void Display(
+      notification_operation_common::NotificationHandlerType notification_type,
+      const std::string& notification_id,
+      const std::string& profile_id,
+      bool incognito,
+      const Notification& notification) override;
   void Close(const std::string& profile_id,
              const std::string& notification_id) override;
   bool GetDisplayed(const std::string& profile_id,