Kill NOTIFICATION_EXTENSION_REMOVED

chrome/browser/chrome_notification_types.h

Index: chrome/browser/chrome_notification_types.h
diff --git a/chrome/browser/chrome_notification_types.h b/chrome/browser/chrome_notification_types.h
index 328482cc1ef8c2ac38675daaad914b589c4de837..63f09eef4dfe6f1abddd22ce1158649916a299dc 100644
--- a/chrome/browser/chrome_notification_types.h
+++ b/chrome/browser/chrome_notification_types.h
@@ -483,12 +483,6 @@ enum NotificationType {
   // removed the extension from its internal state.
   NOTIFICATION_EXTENSION_UNLOADED,
 
-  // Sent when an Extension object is removed from ExtensionService. This
-  // can happen when an extension is uninstalled, upgraded, or blacklisted,
-  // including all cases when the Extension is deleted. The details are an
-  // Extension, and the source is a Profile.
-  NOTIFICATION_EXTENSION_REMOVED,
-
   // Sent after a new ExtensionHost is created. The details are
   // an ExtensionHost* and the source is a Profile*.
   NOTIFICATION_EXTENSION_HOST_CREATED,