Migrate WTF::Vector::append() to ::push_back() [part 7 of N]

third_party/WebKit/Source/core/html/parser/CSSPreloadScannerTest.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 "core/html/parser/CSSPreloadScanner.h"
 
 #include "core/fetch/FetchContext.h"
 #include "core/fetch/Resource.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/frame/Settings.h"
@@ skipping 23 matching lines @@
 
 class PreloadRecordingCSSPreloaderResourceClient final
     : public CSSPreloaderResourceClient {
  public:
   PreloadRecordingCSSPreloaderResourceClient(Resource* resource,
                                              HTMLResourcePreloader* preloader)
       : CSSPreloaderResourceClient(resource, preloader) {}
 
   void fetchPreloads(PreloadRequestStream& preloads) override {
     for (const auto& it : preloads)
-      m_preloadUrls.append(it->resourceURL());
+      m_preloadUrls.push_back(it->resourceURL());
     CSSPreloaderResourceClient::fetchPreloads(preloads);
   }
 
   Vector<String> m_preloadUrls;
 };
 
 class CSSPreloadScannerTest : public ::testing::Test {};
 
 }  // namespace
 
@@ skipping 95 matching lines @@
 
   const char* data = "@import url('http://127.0.0.1/preload.css');";
   resource->appendData(data, strlen(data));
 
   // Do not expect to gather any preloads, as the document loader is invalid,
   // which means we can't notify WebLoadingBehaviorData of the preloads.
   EXPECT_EQ(0u, resourceClient->m_preloadUrls.size());
 }
 
 }  // namespace blink