Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/events/PromiseRejectionEvent.h

Index: third_party/WebKit/Source/core/events/PromiseRejectionEvent.h
diff --git a/third_party/WebKit/Source/core/events/PromiseRejectionEvent.h b/third_party/WebKit/Source/core/events/PromiseRejectionEvent.h
index c905ef6e7a25bff2f1c882d9517e97c083528731..adff1a95f594466b2832f87c8c2b3073a6c36f08 100644
--- a/third_party/WebKit/Source/core/events/PromiseRejectionEvent.h
+++ b/third_party/WebKit/Source/core/events/PromiseRejectionEvent.h
@@ -19,13 +19,13 @@ namespace blink {
 class CORE_EXPORT PromiseRejectionEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<PromiseRejectionEvent> create()
+    static RawPtr<PromiseRejectionEvent> create()
     {
-        return adoptRefWillBeNoop(new PromiseRejectionEvent);
+        return (new PromiseRejectionEvent);
     }
-    static PassRefPtrWillBeRawPtr<PromiseRejectionEvent> create(ScriptState* state, const AtomicString& type, const PromiseRejectionEventInit& initializer)
+    static RawPtr<PromiseRejectionEvent> create(ScriptState* state, const AtomicString& type, const PromiseRejectionEventInit& initializer)
     {
-        return adoptRefWillBeNoop(new PromiseRejectionEvent(state, type, initializer));
+        return (new PromiseRejectionEvent(state, type, initializer));
     }
 
     ScriptValue reason(ScriptState*) const;