Note about incorrect usage of blink::SchemeRegistry methods

atom/renderer/api/atom_api_web_frame.cc

@@ -215,6 +215,10 @@ void WebFrame::RegisterURLSchemeAsBypassingCSP(const std::string& scheme) {
 
 void WebFrame::RegisterURLSchemeAsPrivileged(const std::string& scheme,
                                              mate::Arguments* args) {
+  // TODO(deepak1556): blink::SchemeRegistry methods should be called
+  // before any renderer threads are created. Fixing this would break
+  // current api. Change it with 2.0.
+
   // Read optional flags
   bool secure = true;
   bool bypassCSP = true;

atom/renderer/renderer_client_base.cc

@@ -116,6 +116,7 @@ void RendererClientBase::RenderThreadStarted() {
   // Allow file scheme to handle service worker by default.
   // FIXME(zcbenz): Can this be moved elsewhere?
   blink::WebSecurityPolicy::RegisterURLSchemeAsAllowingServiceWorkers("file");
+  blink::SchemeRegistry::RegisterURLSchemeAsSupportingFetchAPI("file");
 
   preferences_manager_.reset(new PreferencesManager);