Moved IS_EPHEMERAL flag to extension prefs

chrome/browser/extensions/api/messaging/message_service.cc

Index: chrome/browser/extensions/api/messaging/message_service.cc
diff --git a/chrome/browser/extensions/api/messaging/message_service.cc b/chrome/browser/extensions/api/messaging/message_service.cc
index 67abb74253ac3711cd6473c83a81399753b2a044..a05331d0160fe6dc32b1b48c4e8bb7fdafb81e64 100644
--- a/chrome/browser/extensions/api/messaging/message_service.cc
+++ b/chrome/browser/extensions/api/messaging/message_service.cc
@@ -31,6 +31,7 @@
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_host.h"
 #include "extensions/browser/extension_system.h"
+#include "extensions/browser/extension_util.h"
 #include "extensions/browser/extensions_browser_client.h"
 #include "extensions/browser/lazy_background_task_queue.h"
 #include "extensions/browser/process_manager.h"
@@ -216,7 +217,7 @@ void MessageService::OpenChannelToExtension(
 
   // Only running ephemeral apps can receive messages. Idle cached ephemeral
   // apps are invisible and should not be connectable.
-  if (target_extension->is_ephemeral() &&
+  if (util::IsEphemeralApp(target_extension_id, context) &&
       util::IsExtensionIdle(target_extension_id, context)) {
     DispatchOnDisconnect(
         source, receiver_port_id, kReceivingEndDoesntExistError);