Oilpan: move MessagePortArray to the heap.

Source/core/events/MessageEvent.cpp

Index: Source/core/events/MessageEvent.cpp
diff --git a/Source/core/events/MessageEvent.cpp b/Source/core/events/MessageEvent.cpp
index 18efe77326218a48d9c089a917ae719d570a9ead..3c7cec44a94d0b55bee8ed89fcbb4749066154d0 100644
--- a/Source/core/events/MessageEvent.cpp
+++ b/Source/core/events/MessageEvent.cpp
@@ -54,13 +54,13 @@ MessageEvent::MessageEvent(const AtomicString& type, const MessageEventInit& ini
     , m_origin(initializer.origin)
     , m_lastEventId(initializer.lastEventId)
     , m_source(isValidSource(initializer.source.get()) ? initializer.source : nullptr)
-    , m_ports(adoptPtr(new MessagePortArray(initializer.ports)))
+    , m_ports(adoptPtrWillBeNoop(new MessagePortArray(initializer.ports)))
 {
     ScriptWrappable::init(this);
     ASSERT(isValidSource(m_source.get()));
 }
 
-MessageEvent::MessageEvent(const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtr<MessagePortArray> ports)
+MessageEvent::MessageEvent(const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtrWillBeRawPtr<MessagePortArray> ports)
     : Event(EventTypeNames::message, false, false)
     , m_dataType(DataTypeScriptValue)
     , m_origin(origin)
@@ -72,7 +72,7 @@ MessageEvent::MessageEvent(const String& origin, const String& lastEventId, Pass
     ASSERT(isValidSource(m_source.get()));
 }
 
-MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtr<MessagePortArray> ports)
+MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtrWillBeRawPtr<MessagePortArray> ports)
     : Event(EventTypeNames::message, false, false)
     , m_dataType(DataTypeSerializedScriptValue)
     , m_dataAsSerializedScriptValue(data)
@@ -142,7 +142,7 @@ PassRefPtrWillBeRawPtr<MessageEvent> MessageEvent::create(const AtomicString& ty
     return adoptRefWillBeNoop(new MessageEvent(type, initializer));
 }
 
-void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, const String& origin, const String& lastEventId, LocalDOMWindow* source, PassOwnPtr<MessagePortArray> ports)
+void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, const String& origin, const String& lastEventId, LocalDOMWindow* source, PassOwnPtrWillBeRawPtr<MessagePortArray> ports)
 {
     if (dispatched())
         return;
@@ -156,7 +156,7 @@ void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bo
     m_ports = ports;
 }
 
-void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, LocalDOMWindow* source, PassOwnPtr<MessagePortArray> ports)
+void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, LocalDOMWindow* source, PassOwnPtrWillBeRawPtr<MessagePortArray> ports)
 {
     if (dispatched())
         return;
@@ -188,6 +188,9 @@ void MessageEvent::trace(Visitor* visitor)
 {
     visitor->trace(m_dataAsBlob);
     visitor->trace(m_source);
+#if ENABLE(OILPAN)
+    visitor->trace(m_ports);
+#endif
     Event::trace(visitor);
 }