Revert of Create MediaValuesCached and TokenPreloadScanner on the parser thread

third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp

Index: third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp b/third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp
index 03a37c10b41bc3364d6966a97648b70fdcdecc3d..6e6874bb38e5b037ec7d5455770ec935005531c7 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp
+++ b/third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp
@@ -104,7 +104,7 @@
     {
     }
 
-    MediaValuesCached::MediaValuesCachedData createMediaValuesData()
+    PassRefPtrWillBeRawPtr<MediaValuesCached> createMediaValues()
     {
         MediaValuesCached::MediaValuesCachedData data;
         data.viewportWidth = 500;
@@ -120,7 +120,7 @@
         data.mediaType = MediaTypeNames::screen;
         data.strictMode = true;
         data.displayMode = WebDisplayModeBrowser;
-        return data;
+        return MediaValuesCached::create(data);
     }
 
     void runSetUp(ViewportState viewportState, PreloadState preloadState = PreloadEnabled)
@@ -130,7 +130,7 @@
         m_dummyPageHolder->document().settings()->setViewportEnabled(viewportState == ViewportEnabled);
         m_dummyPageHolder->document().settings()->setViewportMetaEnabled(viewportState == ViewportEnabled);
         m_dummyPageHolder->document().settings()->setDoHtmlPreloadScanning(preloadState == PreloadEnabled);
-        m_scanner = HTMLPreloadScanner::create(options, documentURL, CachedDocumentParameters::create(&m_dummyPageHolder->document()), createMediaValuesData());
+        m_scanner = HTMLPreloadScanner::create(options, documentURL, CachedDocumentParameters::create(&m_dummyPageHolder->document(), createMediaValues()));
     }
 
     void SetUp() override