Index: extensions/browser/extension_registry.cc |
diff --git a/extensions/browser/extension_registry.cc b/extensions/browser/extension_registry.cc |
index bfd1fddf19c9d0aed6fd50ddfbfdd551af37dd9c..174b0c07a631b6d5caa1539760266546fd23e9da 100644 |
--- a/extensions/browser/extension_registry.cc |
+++ b/extensions/browser/extension_registry.cc |
@@ -30,6 +30,7 @@ scoped_ptr<ExtensionSet> ExtensionRegistry::GenerateInstalledExtensionsSet() |
} |
void ExtensionRegistry::AddObserver(ExtensionRegistryObserver* observer) { |
+ DCHECK(observer); |
observers_.AddObserver(observer); |
} |