Remove stale-while-revalidate from net

net/http/http_response_info.cc

Index: net/http/http_response_info.cc
diff --git a/net/http/http_response_info.cc b/net/http/http_response_info.cc
index 06a40089bf85672a6bc9cec2af07878e6fb4261d..ff94a6de3cd19060188df752ffeda7cc257b89db 100644
--- a/net/http/http_response_info.cc
+++ b/net/http/http_response_info.cc
@@ -130,7 +130,6 @@ HttpResponseInfo::HttpResponseInfo()
       was_fetched_via_proxy(false),
       did_use_http_auth(false),
       unused_since_prefetch(false),
-      async_revalidation_required(false),
       connection_info(CONNECTION_INFO_UNKNOWN) {}
 
 HttpResponseInfo::HttpResponseInfo(const HttpResponseInfo& rhs)
@@ -144,7 +143,6 @@ HttpResponseInfo::HttpResponseInfo(const HttpResponseInfo& rhs)
       proxy_server(rhs.proxy_server),
       did_use_http_auth(rhs.did_use_http_auth),
       unused_since_prefetch(rhs.unused_since_prefetch),
-      async_revalidation_required(rhs.async_revalidation_required),
       socket_address(rhs.socket_address),
       alpn_negotiated_protocol(rhs.alpn_negotiated_protocol),
       connection_info(rhs.connection_info),
@@ -171,7 +169,6 @@ HttpResponseInfo& HttpResponseInfo::operator=(const HttpResponseInfo& rhs) {
   was_fetched_via_proxy = rhs.was_fetched_via_proxy;
   did_use_http_auth = rhs.did_use_http_auth;
   unused_since_prefetch = rhs.unused_since_prefetch;
-  async_revalidation_required = rhs.async_revalidation_required;
   socket_address = rhs.socket_address;
   alpn_negotiated_protocol = rhs.alpn_negotiated_protocol;
   connection_info = rhs.connection_info;