Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.h

Index: third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.h
diff --git a/third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.h b/third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.h
index 871f3246e76e1ff65acc44ae0dc4e8615a32cb13..edc5d1270ef0efb616f52ee5fa5aeafd810357d7 100644
--- a/third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.h
+++ b/third_party/WebKit/Source/modules/webmidi/MIDIMessageEvent.h
@@ -41,19 +41,19 @@ class MIDIMessageEventInit;
 class MIDIMessageEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<MIDIMessageEvent> create()
+    static RawPtr<MIDIMessageEvent> create()
     {
-        return adoptRefWillBeNoop(new MIDIMessageEvent());
+        return (new MIDIMessageEvent());
     }
 
-    static PassRefPtrWillBeRawPtr<MIDIMessageEvent> create(double receivedTime, PassRefPtr<DOMUint8Array> data)
+    static RawPtr<MIDIMessageEvent> create(double receivedTime, PassRefPtr<DOMUint8Array> data)
     {
-        return adoptRefWillBeNoop(new MIDIMessageEvent(receivedTime, data));
+        return (new MIDIMessageEvent(receivedTime, data));
     }
 
-    static PassRefPtrWillBeRawPtr<MIDIMessageEvent> create(const AtomicString& type, const MIDIMessageEventInit& initializer)
+    static RawPtr<MIDIMessageEvent> create(const AtomicString& type, const MIDIMessageEventInit& initializer)
     {
-        return adoptRefWillBeNoop(new MIDIMessageEvent(type, initializer));
+        return (new MIDIMessageEvent(type, initializer));
     }
 
     double receivedTime() { return m_receivedTime; }