GTTF: Add missing virtual destructors.

chrome/browser/extensions/app_notify_channel_setup.h

Index: chrome/browser/extensions/app_notify_channel_setup.h
diff --git a/chrome/browser/extensions/app_notify_channel_setup.h b/chrome/browser/extensions/app_notify_channel_setup.h
index a43e08b3cf3a0ac22c6ecded36a9c9b77f575882..4de0d7a4f0573b58b377aa20efb49a38c70c59b0 100644
--- a/chrome/browser/extensions/app_notify_channel_setup.h
+++ b/chrome/browser/extensions/app_notify_channel_setup.h
@@ -58,6 +58,9 @@ class AppNotifyChannelSetup
         const std::string& channel_id,
         const std::string& error,
         const AppNotifyChannelSetup* setup) = 0;
+
+   protected:
+    virtual ~Delegate() { }
   };
 
   // For tests, we allow intercepting the request to setup the channel and
@@ -68,6 +71,9 @@ class AppNotifyChannelSetup
         const AppNotifyChannelSetup* setup,
         std::string* result_channel_id,
         AppNotifyChannelSetup::SetupError* result_error) = 0;
+
+   protected:
+    virtual ~InterceptorForTests() { }
   };
   static void SetInterceptorForTests(InterceptorForTests* interceptor);