1 files changed, 7 insertions, 4 deletions
diff --git a/chrome/browser/extensions/extension_management_api.cc b/chrome/browser/extensions/extension_management_api.cc
index 70722bc..62879c4 100644
--- a/chrome/browser/extensions/extension_management_api.cc
+++ b/chrome/browser/extensions/extension_management_api.cc
@@ -264,10 +264,13 @@ void ExtensionManagementEventRouter::Init() {
     NotificationType::EXTENSION_UNLOADED
   };
 
-  for (size_t i = 0; i < arraysize(types); i++) {
-    registrar_.Add(this,
-                   types[i],
-                   NotificationService::AllSources());
+  // Don't re-init (eg in the case of multiple profiles).
+  if (registrar_.IsEmpty()) {
+    for (size_t i = 0; i < arraysize(types); i++) {
+      registrar_.Add(this,
+                     types[i],
+                     NotificationService::AllSources());
+    }
   }
 }