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

extensions/browser/event_router.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/browser/event_router.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 745 matching lines @@
       GetRegisteredEvents(extension->id());
   listeners_.LoadUnfilteredLazyListeners(extension->id(), registered_events);
   const DictionaryValue* filtered_events = GetFilteredEvents(extension->id());
   if (filtered_events)
     listeners_.LoadFilteredLazyListeners(extension->id(), *filtered_events);
 }
 
 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,
              scoped_ptr<base::ListValue> event_args)
     : event_name(event_name),
       event_args(event_args.Pass()),
       restrict_to_browser_context(NULL),
       user_gesture(EventRouter::USER_GESTURE_UNKNOWN) {
   DCHECK(this->event_args.get());
 }
@@ skipping 40 matching lines @@
                                      const std::string& extension_id,
                                      const GURL& listener_url,
                                      content::BrowserContext* browser_context)
     : event_name(event_name),
       extension_id(extension_id),
       listener_url(listener_url),
       browser_context(browser_context) {
 }
 
 }  // namespace extensions