Revert of Move ScriptState::GetExecutionContext (Part 5)

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/notifications/NotificationManager.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "modules/notifications/Notification.h"
 #include "modules/notifications/NotificationPermissionCallback.h"
@@ skipping 45 matching lines @@
   const bool result = notification_service_->GetPermissionStatus(
       execution_context->GetSecurityOrigin()->ToString(), &permission_status);
   DCHECK(result);
 
   return permission_status;
 }
 
 ScriptPromise NotificationManager::RequestPermission(
     ScriptState* script_state,
     NotificationPermissionCallback* deprecated_callback) {
-  ExecutionContext* context = ExecutionContext::From(script_state);
+  ExecutionContext* context = script_state->GetExecutionContext();
 
   if (!permission_service_) {
     ConnectToPermissionService(context,
                                mojo::MakeRequest(&permission_service_));
     permission_service_.set_connection_error_handler(ConvertToBaseCallback(
         WTF::Bind(&NotificationManager::OnPermissionServiceConnectionError,
                   WrapWeakPersistent(this))));
   }
 
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state);
@@ skipping 24 matching lines @@
 
 void NotificationManager::OnPermissionServiceConnectionError() {
   permission_service_.reset();
 }
 
 DEFINE_TRACE(NotificationManager) {
   Supplement<ExecutionContext>::Trace(visitor);
 }
 
 }  // namespace blink