Migrate WTF::Vector::append() to ::push_back() [part 13 of N]

third_party/WebKit/Source/modules/background_sync/SyncManager.cpp

 // Copyright 2015 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/background_sync/SyncManager.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 104 matching lines @@
 // static
 void SyncManager::getRegistrationsCallback(
     ScriptPromiseResolver* resolver,
     mojom::blink::BackgroundSyncError error,
     WTF::Vector<mojom::blink::SyncRegistrationPtr> registrations) {
   // TODO(iclelland): Determine the correct error message to return in each case
   switch (error) {
     case mojom::blink::BackgroundSyncError::NONE: {
       Vector<String> tags;
       for (const auto& r : registrations) {
-        tags.append(r->tag);
+        tags.push_back(r->tag);
       }
       resolver->resolve(tags);
       break;
     }
     case mojom::blink::BackgroundSyncError::NOT_FOUND:
     case mojom::blink::BackgroundSyncError::NOT_ALLOWED:
     case mojom::blink::BackgroundSyncError::PERMISSION_DENIED:
       // These errors should never be returned from
       // BackgroundSyncManager::GetRegistrations
       NOTREACHED();
       break;
     case mojom::blink::BackgroundSyncError::STORAGE:
       resolver->reject(
           DOMException::create(UnknownError, "Background Sync is disabled."));
       break;
     case mojom::blink::BackgroundSyncError::NO_SERVICE_WORKER:
       resolver->reject(
           DOMException::create(UnknownError, "No service worker is active."));
       break;
   }
 }
 
 DEFINE_TRACE(SyncManager) {
   visitor->trace(m_registration);
 }
 
 }  // namespace blink