Revert of Move ScriptState::GetExecutionContext (Part 5)

third_party/WebKit/Source/modules/notifications/Notification.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 337 matching lines @@
       return "denied";
     case mojom::blink::PermissionStatus::ASK:
       return "default";
   }
 
   NOTREACHED();
   return "denied";
 }
 
 String Notification::permission(ScriptState* script_state) {
-  ExecutionContext* context = ExecutionContext::From(script_state);
+  ExecutionContext* context = script_state->GetExecutionContext();
   return PermissionString(
       NotificationManager::From(context)->GetPermissionStatus(context));
 }
 
 ScriptPromise Notification::requestPermission(
     ScriptState* script_state,
     NotificationPermissionCallback* deprecated_callback) {
-  ExecutionContext* context = ExecutionContext::From(script_state);
+  ExecutionContext* context = script_state->GetExecutionContext();
   if (!context->IsSecureContext()) {
     Deprecation::CountDeprecation(
         context, UseCounter::kNotificationPermissionRequestedInsecureOrigin);
   }
 
   if (context->IsDocument()) {
     LocalFrame* frame = ToDocument(context)->GetFrame();
     if (frame && !frame->IsMainFrame()) {
       Deprecation::CountDeprecation(
           context, UseCounter::kNotificationPermissionRequestedIframe);
@@ skipping 47 matching lines @@
 }
 
 DEFINE_TRACE(Notification) {
   visitor->Trace(prepare_show_method_runner_);
   visitor->Trace(loader_);
   EventTargetWithInlineData::Trace(visitor);
   ContextLifecycleObserver::Trace(visitor);
 }
 
 }  // namespace blink