Add deprecation warning for script fetches with invalid types

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

Index: third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.cpp b/third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.cpp
index f0e6d0003f039faa1730bf1cc5e1e3956877a441..eb81c9b02c5b51ad343555facaf4df31a8fec75b 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.cpp
+++ b/third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.cpp
@@ -29,6 +29,7 @@
 #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"
@@ -91,6 +92,10 @@ void HTMLResourcePreloader::preload(std::unique_ptr<PreloadRequest> preload, con
     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();