Limit foreign fetch to only intercept requests made from secure contexts.

content/browser/service_worker/foreign_fetch_request_handler.cc

Index: content/browser/service_worker/foreign_fetch_request_handler.cc
diff --git a/content/browser/service_worker/foreign_fetch_request_handler.cc b/content/browser/service_worker/foreign_fetch_request_handler.cc
index 59fe4846dfdedca40e239a131337244232f20f80..c712064a0b839da17636abf67ff3286bda5f20c7 100644
--- a/content/browser/service_worker/foreign_fetch_request_handler.cc
+++ b/content/browser/service_worker/foreign_fetch_request_handler.cc
@@ -58,11 +58,15 @@ void ForeignFetchRequestHandler::InitializeHandler(
     ResourceType resource_type,
     RequestContextType request_context_type,
     RequestContextFrameType frame_type,
-    scoped_refptr<ResourceRequestBody> body) {
+    scoped_refptr<ResourceRequestBody> body,
+    bool initiated_in_secure_context) {
   if (!context_wrapper) {
     return;
   }
 
+  if (!initiated_in_secure_context)
+    return;
+
   if (!context_wrapper->OriginHasForeignFetchRegistrations(
           request->url().GetOrigin())) {
     return;
@@ -70,6 +74,7 @@ void ForeignFetchRequestHandler::InitializeHandler(
 
   if (request->initiator().IsSameOriginWith(url::Origin(request->url())))
     return;
+
   if (ServiceWorkerUtils::IsMainResourceType(resource_type))
     return;