Index: components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h |
diff --git a/components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h b/components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h |
index 9c1c814639a8a08468a118bd6f6e0035063f8157..4b6e0b67ef1fd87fead077ee3c58a01e0526dcb6 100644 |
--- a/components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h |
+++ b/components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h |
@@ -23,7 +23,9 @@ class GURL; |
namespace image_fetcher { |
-// Callback that informs of the download of an image encoded in |data|. |
+// Callback that informs of the download of an image encoded in |data| and the |
+// associated metadata. If an error prevented a http response, |
+// |metadata.http_response_code| will be RESPONSE_CODE_INVALID. |
using IOSImageDataFetcherCallback = void (^)(NSData* data, |
const RequestMetadata& metadata); |