PlzNavigate: improve bf navigations metrics

content/browser/loader/resource_loader.cc

Index: content/browser/loader/resource_loader.cc
diff --git a/content/browser/loader/resource_loader.cc b/content/browser/loader/resource_loader.cc
index 61562815dd409b7c94b2cab0862a20fee6bee2df..9f547eadef59cfe1e91376e21e76da4abe4dc402 100644
--- a/content/browser/loader/resource_loader.cc
+++ b/content/browser/loader/resource_loader.cc
@@ -651,7 +651,7 @@ void ResourceLoader::CompleteResponseStarted() {
   // of PLT for b/f navigations in PlzNavigate.
   if ((info->GetPageTransition() & ui::PAGE_TRANSITION_FORWARD_BACK) &&
       IsResourceTypeFrame(info->GetResourceType()) &&
-      !request_->url().SchemeIsBlob()) {
+      request_->url().SchemeIsHTTPOrHTTPS()) {
     UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.WasCached",
                           request_->was_cached());
   }