[NoStatePrefetch] Do not send responses to renderer in prefetch mode.

content/public/browser/resource_dispatcher_host_delegate.cc

Index: content/public/browser/resource_dispatcher_host_delegate.cc
diff --git a/content/public/browser/resource_dispatcher_host_delegate.cc b/content/public/browser/resource_dispatcher_host_delegate.cc
index 10291527f93bcbeaebf8265a3176938d4344ebd7..d76759ba156441bc26a5f79953526df8a15a3d2a 100644
--- a/content/public/browser/resource_dispatcher_host_delegate.cc
+++ b/content/public/browser/resource_dispatcher_host_delegate.cc
@@ -70,6 +70,12 @@ bool ResourceDispatcherHostDelegate::ShouldInterceptResourceAsStream(
   return false;
 }
 
+bool ResourceDispatcherHostDelegate::ShouldSinkResponse(
+    net::URLRequest* request,
+    ResourceType resource_type) {
+  return false;
+}
+
 void ResourceDispatcherHostDelegate::OnStreamCreated(
     net::URLRequest* request,
     std::unique_ptr<content::StreamInfo> stream) {}