Index: components/content_settings/core/browser/content_settings_provider.h |
diff --git a/components/content_settings/core/browser/content_settings_provider.h b/components/content_settings/core/browser/content_settings_provider.h |
index 8c1852e5ece953d4ebb2c508b923f56f5252294c..057ed81ba7e07cdff74a7feed54e60b52cdaa6f7 100644 |
--- a/components/content_settings/core/browser/content_settings_provider.h |
+++ b/components/content_settings/core/browser/content_settings_provider.h |
@@ -32,6 +32,7 @@ class ProviderInterface { |
// mode. It is not allowed to call other |ProviderInterface| functions |
// (including |GetRuleIterator|) for the same provider until the |
// |RuleIterator| is destroyed. |
+ // Returns nullptr to indicate the RuleIterator is empty. |
virtual std::unique_ptr<RuleIterator> GetRuleIterator( |
ContentSettingsType content_type, |
const ResourceIdentifier& resource_identifier, |