Prune shared extendion module after extension updating.

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index f17b67b981e42548028cce69dd871dd9fdc1b444..7bb31937ea035e33fae53d9f17e974c8b2a00a60 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -1816,7 +1816,7 @@ void ExtensionService::FinishInstallation(
   AddExtension(extension);
 
   // Notify observers that need to know when an installation is complete.
-  registry_->TriggerOnInstalled(extension);
+  registry_->TriggerOnInstalled(extension, is_update);
 
   // Check extensions that may have been delayed only because this shared module
   // was not available.
@@ -1874,7 +1874,7 @@ void ExtensionService::PromoteEphemeralApp(
     registry_->TriggerOnLoaded(extension);
   }
 
-  registry_->TriggerOnInstalled(extension);
+  registry_->TriggerOnInstalled(extension, true);
 
   if (!is_from_sync && extension_sync_service_)
     extension_sync_service_->SyncExtensionChangeIfNeeded(*extension);