WIP: diff which plumbs through the event URL.

extensions/common/features/simple_feature.cc

 // Copyright 2014 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/common/features/simple_feature.h"
 
 #include <map>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 384 matching lines @@
                                                 extension->location(),
                                                 extension->manifest_version(),
                                                 platform);
     if (!result.is_available())
       return result;
   }
 
   if (!contexts_.empty() && contexts_.find(context) == contexts_.end())
     return CreateAvailability(INVALID_CONTEXT, context);
 
-  if (context == WEB_PAGE_CONTEXT && !matches_.MatchesURL(url))
+  if ((context == WEB_PAGE_CONTEXT || context == WEBUI_CONTEXT) &&
+      !matches_.MatchesURL(url)) {
     return CreateAvailability(INVALID_URL, url);
+  }
 
   for (FilterList::const_iterator filter_iter = filters_.begin();
        filter_iter != filters_.end();
        ++filter_iter) {
     Availability availability =
         (*filter_iter)->IsAvailableToContext(extension, context, url, platform);
     if (!availability.is_available())
       return availability;
   }
 
@@ skipping 150 matching lines @@
     if (!dependency)
       return CreateAvailability(NOT_PRESENT);
     Availability dependency_availability = checker.Run(dependency);
     if (!dependency_availability.is_available())
       return dependency_availability;
   }
   return CreateAvailability(IS_AVAILABLE);
 }
 
 }  // namespace extensions