Remove LOAD_SUB_FRAME load flag.

chrome/browser/net/chrome_network_delegate.cc

Index: chrome/browser/net/chrome_network_delegate.cc
diff --git a/chrome/browser/net/chrome_network_delegate.cc b/chrome/browser/net/chrome_network_delegate.cc
index 9348cef93a3ee3ca9c641bd4eb4e504d006de7cd..cb468cdcbc167843324f9defa507b4aa0a3f4a31 100644
--- a/chrome/browser/net/chrome_network_delegate.cc
+++ b/chrome/browser/net/chrome_network_delegate.cc
@@ -377,9 +377,18 @@ int ChromeNetworkDelegate::OnBeforeURLRequest(
   // TODO(joaodasilva): This prevents extensions from seeing URLs that are
   // blocked. However, an extension might redirect the request to another URL,
   // which is not blocked.
+
+  bool is_request_for_frame = false;
+  const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request);
+  if (info) {
+    is_request_for_frame =
+        content::IsResourceTypeFrame(info->GetResourceType());
+  }
+
   int error = net::ERR_BLOCKED_BY_ADMINISTRATOR;
   if (url_blacklist_manager_ &&
-      url_blacklist_manager_->IsRequestBlocked(*request, &error)) {
+      url_blacklist_manager_->IsRequestBlocked(
+          request->url(), is_request_for_frame, &error)) {
     // URL access blocked by policy.
     request->net_log().AddEvent(
         net::NetLog::TYPE_CHROME_POLICY_ABORTED_REQUEST,