WIP: diff which plumbs through the event URL.

extensions/renderer/resources/binding.js

 // 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.
 
 var Event = require('event_bindings').Event;
 var forEach = require('utils').forEach;
 var GetAvailability = requireNative('v8_context').GetAvailability;
 var logActivity = requireNative('activityLogger');
 var logging = requireNative('logging');
 var process = requireNative('process');
@@ skipping 414 matching lines @@
 
     // The special case is runtime.lastError which is only occasionally set, so
     // specifically check its availability.
     if (schema.namespace == 'runtime' &&
         GetAvailability('runtime.lastError').is_available) {
       success = true;
     }
 
     if (!success) {
       // If an API was available it should have been successfully generated.
-      logging.DCHECK(!GetAvailability(schema.namespace).is_available);
+      var availability = GetAvailability(schema.namespace);
+      logging.DCHECK(!availability.is_available);
       console.error('chrome.' + schema.namespace + ' is not available: ' +
                     availability.message);
       return;
     }
 
     this.runHooks_(mod);
     return mod;
   }
 };
 
 exports.Binding = Binding;