Add a flag showing whether the current request was ignored by a handler

content/child/web_url_request_util.cc

Index: content/child/web_url_request_util.cc
diff --git a/content/child/web_url_request_util.cc b/content/child/web_url_request_util.cc
index 438ccf7ff151756fd079067736ed5be15d1a68a4..f2220a7c153a91d9087ca1b336a5c8634376e9a7 100644
--- a/content/child/web_url_request_util.cc
+++ b/content/child/web_url_request_util.cc
@@ -299,4 +299,14 @@ blink::WebURLError CreateWebURLError(const blink::WebURL& unreachable_url,
   return error;
 }
 
+blink::WebURLError CreateWebURLError(const blink::WebURL& unreachable_url,
+                                     bool stale_copy_in_cache,
+                                     int reason,
+                                     bool was_ignored_by_handler) {
+  blink::WebURLError error =
+      CreateWebURLError(unreachable_url, stale_copy_in_cache, reason);
+  error.wasIgnoredByHandler = was_ignored_by_handler;
+  return error;
+}
+
 }  // namespace content