Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.h
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.h b/third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.h
index b5c7b5231c7cb36a2fdcdbd6377612108b35b655..6dfb8d335c2dcbda324cbbcfd2973857acd6c846 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.h
+++ b/third_party/WebKit/Source/core/html/parser/HTMLResourcePreloader.h
@@ -36,11 +36,11 @@
 
 namespace blink {
 
-class CORE_EXPORT HTMLResourcePreloader final : public NoBaseWillBeGarbageCollected<HTMLResourcePreloader>, public ResourcePreloader {
-    WTF_MAKE_NONCOPYABLE(HTMLResourcePreloader); USING_FAST_MALLOC_WILL_BE_REMOVED(HTMLResourcePreloader);
+class CORE_EXPORT HTMLResourcePreloader final : public GarbageCollected<HTMLResourcePreloader>, public ResourcePreloader {
+    WTF_MAKE_NONCOPYABLE(HTMLResourcePreloader);
     friend class HTMLResourcePreloaderTest;
 public:
-    static PassOwnPtrWillBeRawPtr<HTMLResourcePreloader> create(Document&);
+    static RawPtr<HTMLResourcePreloader> create(Document&);
     DECLARE_TRACE();
 
 protected:
@@ -49,7 +49,7 @@ protected:
 private:
     explicit HTMLResourcePreloader(Document&);
 
-    RawPtrWillBeMember<Document> m_document;
+    Member<Document> m_document;
 };
 
 } // namespace blink