| Index: third_party/WebKit/Source/core/dom/MessagePort.h | 
| diff --git a/third_party/WebKit/Source/core/dom/MessagePort.h b/third_party/WebKit/Source/core/dom/MessagePort.h | 
| index 9944dbae0adef5bd2c6c1db14037461bef7dd8e0..cad8a8cff05c3def4dd81c66932b1f15a80f1c83 100644 | 
| --- a/third_party/WebKit/Source/core/dom/MessagePort.h | 
| +++ b/third_party/WebKit/Source/core/dom/MessagePort.h | 
| @@ -30,7 +30,7 @@ | 
| #include "bindings/core/v8/ActiveScriptWrappable.h" | 
| #include "bindings/core/v8/SerializedScriptValue.h" | 
| #include "core/CoreExport.h" | 
| -#include "core/dom/ActiveDOMObject.h" | 
| +#include "core/dom/SuspendableObject.h" | 
| #include "core/events/EventListener.h" | 
| #include "core/events/EventTarget.h" | 
| #include "public/platform/WebMessagePortChannel.h" | 
| @@ -53,7 +53,7 @@ typedef Vector<WebMessagePortChannelUniquePtr, 1> MessagePortChannelArray; | 
|  | 
| class CORE_EXPORT MessagePort : public EventTargetWithInlineData, | 
| public ActiveScriptWrappable, | 
| -                                public ActiveDOMObject, | 
| +                                public SuspendableObject, | 
| public WebMessagePortChannelClient { | 
| DEFINE_WRAPPERTYPEINFO(); | 
| USING_GARBAGE_COLLECTED_MIXIN(MessagePort); | 
| @@ -97,14 +97,14 @@ class CORE_EXPORT MessagePort : public EventTargetWithInlineData, | 
|  | 
| const AtomicString& interfaceName() const override; | 
| ExecutionContext* getExecutionContext() const override { | 
| -    return ActiveDOMObject::getExecutionContext(); | 
| +    return SuspendableObject::getExecutionContext(); | 
| } | 
| MessagePort* toMessagePort() override { return this; } | 
|  | 
| // ScriptWrappable implementation. | 
| bool hasPendingActivity() const final; | 
|  | 
| -  // ActiveDOMObject implementation. | 
| +  // SuspendableObject implementation. | 
| void contextDestroyed() override { close(); } | 
|  | 
| void setOnmessage(EventListener* listener) { | 
|  |