Change EventTarget callback APIs for add/RemoveEventListenerInternal.

third_party/WebKit/Source/modules/imagecapture/ImageCapture.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ImageCapture_h
 #define ImageCapture_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "core/dom/ContextLifecycleObserver.h"
@@ skipping 32 matching lines @@
 
     MediaStreamTrack* videoStreamTrack() const { return m_streamTrack.get(); }
 
     ScriptPromise grabFrame(ScriptState*, ExceptionState&);
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     ImageCapture(ExecutionContext*, MediaStreamTrack*);
 
-    // EventTarget implementation.
-    bool addEventListenerInternal(const AtomicString& eventType, EventListener*, const EventListenerOptions&) override;
-
     Member<MediaStreamTrack> m_streamTrack;
     OwnPtr<WebImageCaptureFrameGrabber> m_frameGrabber;
 };
 
 } // namespace blink
 
 #endif // ImageCapture_h