When an extension is unloaded, unregister all event listeners, not just the lazy ones.

extensions/browser/event_router.cc

Index: extensions/browser/event_router.cc
diff --git a/extensions/browser/event_router.cc b/extensions/browser/event_router.cc
index 41bccc57ec1b03164965969ba0e680a24933377c..cddffdea45f1a981b2453e51cf60e282207069b4 100644
--- a/extensions/browser/event_router.cc
+++ b/extensions/browser/event_router.cc
@@ -763,8 +763,8 @@ void EventRouter::OnExtensionLoaded(content::BrowserContext* browser_context,
 void EventRouter::OnExtensionUnloaded(content::BrowserContext* browser_context,
                                       const Extension* extension,
                                       UnloadedExtensionInfo::Reason reason) {
-  // Remove all registered lazy listeners from our cache.
-  listeners_.RemoveLazyListenersForExtension(extension->id());
+  // Remove all registered listeners from our cache.
+  listeners_.RemoveListenersForExtension(extension->id());
 }
 
 Event::Event(const std::string& event_name,