Add deprecation warning for script fetches with invalid types

third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/html/parser/HTMLResourcePreloader.h"
 
 #include "core/dom/Document.h"
 #include "core/fetch/CSSStyleSheetResource.h"
 #include "core/fetch/FetchInitiatorInfo.h"
 #include "core/fetch/ResourceFetcher.h"
+#include "core/frame/Deprecation.h"
 #include "core/frame/Settings.h"
 #include "core/loader/DocumentLoader.h"
 #include "platform/Histogram.h"
 #include "public/platform/Platform.h"
 #include <memory>
 
 namespace blink {
 
 inline HTMLResourcePreloader::HTMLResourcePreloader(Document& document)
     : m_document(document)
@@ skipping 42 matching lines @@
     // making Document::completeURLWithOverride logic to be statically accessible.
     if (request.url().protocolIsData())
         return;
     if (preload->resourceType() == Resource::Script || preload->resourceType() == Resource::CSSStyleSheet || preload->resourceType() == Resource::ImportResource)
         request.setCharset(preload->charset().isEmpty() ? m_document->characterSet().getString() : preload->charset());
     request.setForPreload(true, preload->discoveryTime());
     int duration = static_cast<int>(1000 * (monotonicallyIncreasingTime() - preload->discoveryTime()));
     DEFINE_STATIC_LOCAL(CustomCountHistogram, preloadDelayHistogram, ("WebCore.PreloadDelayMs", 0, 2000, 20));
     preloadDelayHistogram.count(duration);
 
+    if (preload->scriptHasInvalidTypeOrLanguage()) {
+        Deprecation::countDeprecation(m_document, UseCounter::ScriptInvalidTypeOrLanguage);
+    }
+
     Resource* resource = m_document->loader()->startPreload(preload->resourceType(), request);
     if (resource && preload->resourceType() == Resource::CSSStyleSheet) {
         Settings* settings = m_document->settings();
         if (settings && (settings->cssExternalScannerNoPreload() || settings->cssExternalScannerPreload()))
             m_cssPreloaders.add(new CSSPreloaderResourceClient(resource, this));
     }
 }
 
 } // namespace blink