Oilpan: Remove raw pointer to LocalFrame from MediaValuesDynamic

Source/core/html/parser/HTMLPreloadScannerTest.cpp

Index: Source/core/html/parser/HTMLPreloadScannerTest.cpp
diff --git a/Source/core/html/parser/HTMLPreloadScannerTest.cpp b/Source/core/html/parser/HTMLPreloadScannerTest.cpp
index 6b2973a0a3ca76f73a4565b82c3fe66f1d5479eb..a2f673629fe932cb80817591f327b6db3056d244 100644
--- a/Source/core/html/parser/HTMLPreloadScannerTest.cpp
+++ b/Source/core/html/parser/HTMLPreloadScannerTest.cpp
@@ -89,7 +89,7 @@ protected:
     {
     }
 
-    PassRefPtr<MediaValues> createMediaValues()
+    PassRefPtrWillBeRawPtr<MediaValues> createMediaValues()
     {
         MediaValuesCached::MediaValuesCachedData data;
         data.viewportWidth = 500;