Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/device_light/DeviceLightEvent.h

Index: third_party/WebKit/Source/modules/device_light/DeviceLightEvent.h
diff --git a/third_party/WebKit/Source/modules/device_light/DeviceLightEvent.h b/third_party/WebKit/Source/modules/device_light/DeviceLightEvent.h
index 87f8554246cdefdf5b47461e4b04de2fea69f6da..5ce9a0660c38f9fa59c3c847feebac75aa496f85 100644
--- a/third_party/WebKit/Source/modules/device_light/DeviceLightEvent.h
+++ b/third_party/WebKit/Source/modules/device_light/DeviceLightEvent.h
@@ -16,17 +16,17 @@ class DeviceLightEvent final : public Event {
 public:
     ~DeviceLightEvent() override;
 
-    static PassRefPtrWillBeRawPtr<DeviceLightEvent> create()
+    static RawPtr<DeviceLightEvent> create()
     {
         return adoptRefWillBeNoop(new DeviceLightEvent);
     }
-    static PassRefPtrWillBeRawPtr<DeviceLightEvent> create(const AtomicString& eventType, double value)
+    static RawPtr<DeviceLightEvent> create(const AtomicString& eventType, double value)
     {
-        return adoptRefWillBeNoop(new DeviceLightEvent(eventType, value));
+        return new DeviceLightEvent(eventType, value);
     }
-    static PassRefPtrWillBeRawPtr<DeviceLightEvent> create(const AtomicString& eventType, const DeviceLightEventInit& initializer)
+    static RawPtr<DeviceLightEvent> create(const AtomicString& eventType, const DeviceLightEventInit& initializer)
     {
-        return adoptRefWillBeNoop(new DeviceLightEvent(eventType, initializer));
+        return new DeviceLightEvent(eventType, initializer);
     }
 
     double value() const { return m_value; }