shapedetection module: Introduce basic structure for face detection

third_party/WebKit/Source/modules/shapedetection/FaceDetector.cpp

+// 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.
+
+#include "modules/shapedetection/FaceDetector.h"
+
+#include "core/dom/DOMException.h"
+
+namespace blink {
+
+FaceDetector* FaceDetector::create()
+{
+    return new FaceDetector();
+}
+
+ScriptPromise FaceDetector::detect(ScriptState* scriptState, const HTMLImageElement* image)
+{
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+    resolver->reject(DOMException::create(NotSupportedError, "Not implemented"));
+    return promise;
+}
+
+} // namespace blink