Show a localized and detailed error page when a page load fails due to ERR_NETWORK_CHANGED.

chrome/common/localized_error.cc

Index: chrome/common/localized_error.cc
diff --git a/chrome/common/localized_error.cc b/chrome/common/localized_error.cc
index 250b18509df0ca5e2ec763aa6b21f8f048a23fb8..576e1b7794ae10a51c84498bcfbdf2ae45d83797 100644
--- a/chrome/common/localized_error.cc
+++ b/chrome/common/localized_error.cc
@@ -271,6 +271,13 @@ const LocalizedErrorMap net_error_options[] = {
    IDS_ERRORPAGES_DETAILS_BLOCKED,
    SUGGEST_DISABLE_EXTENSION,
   },
+  {net::ERR_NETWORK_CHANGED,
+   IDS_ERRORPAGES_TITLE_LOAD_FAILED,
+   IDS_ERRORPAGES_HEADING_NETWORK_ACCESS_DENIED,
+   IDS_ERRORPAGES_SUMMARY_NETWORK_CHANGED,
+   IDS_ERRORPAGES_DETAILS_NETWORK_CHANGED,
+   SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION,
+  },
 };
 
 const LocalizedErrorMap http_error_options[] = {