Oilpan: Move the EventListener hierarchy to Oilpan's heap

Source/modules/netinfo/NetworkInformation.h

Index: Source/modules/netinfo/NetworkInformation.h
diff --git a/Source/modules/netinfo/NetworkInformation.h b/Source/modules/netinfo/NetworkInformation.h
index 9fd448774ea383f3eec41b5ab3f4d80bc2304689..5369e568880d7c07b4a751bf15753539c82ce789 100644
--- a/Source/modules/netinfo/NetworkInformation.h
+++ b/Source/modules/netinfo/NetworkInformation.h
@@ -32,8 +32,8 @@ public:
     // EventTarget overrides.
     const AtomicString& interfaceName() const override;
     ExecutionContext* executionContext() const override;
-    bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) override;
-    bool removeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) override;
+    bool addEventListener(const AtomicString& eventType, PassRefPtrWillBeRawPtr<EventListener>, bool useCapture = false) override;
+    bool removeEventListener(const AtomicString& eventType, PassRefPtrWillBeRawPtr<EventListener>, bool useCapture = false) override;
     void removeAllEventListeners() override;
 
     // ActiveDOMObject overrides.