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

extensions/browser/event_listener_map.h

 // Copyright 2013 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.
 
 #ifndef EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_
 #define EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 136 matching lines @@
                                const std::string& event_name);
 
   // Returns true if this map contains an EventListener that .Equals()
   // |listener|.
   bool HasListener(const EventListener* listener);
 
   // Returns true if there is a listener for |extension_id| in |process|.
   bool HasProcessListener(content::RenderProcessHost* process,
                           const std::string& extension_id);
 
-  // Removes any lazy listeners that |extension_id| has added.
-  void RemoveLazyListenersForExtension(const std::string& extension_id);
+  // Removes any listeners that |extension_id| has added, both lazy and regular.
+  void RemoveListenersForExtension(const std::string& extension_id);
 
   // Adds unfiltered lazy listeners as described their serialised descriptions.
   // |event_names| the names of the lazy events.
   // Note that we can only load lazy listeners in this fashion, because there
   // is no way to serialise a RenderProcessHost*.
   void LoadUnfilteredLazyListeners(const std::string& extension_id,
                                    const std::set<std::string>& event_names);
 
   // Adds filtered lazy listeners as described their serialised descriptions.
   // |filtered| contains a map from event names to filters, each pairing
@@ skipping 20 matching lines @@
   std::map<EventFilter::MatcherID, EventListener*> listeners_by_matcher_id_;
 
   EventFilter event_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(EventListenerMap);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_