ShapeDetection: implement barcode detection, blink part

third_party/WebKit/Source/modules/shapedetection/BarcodeDetector.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 FaceDetector_h
-#define FaceDetector_h
+#ifndef BarcodeDetector_h
+#define BarcodeDetector_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "modules/ModulesExport.h"
 #include "modules/canvas2d/CanvasRenderingContext2D.h"
+#include "modules/shapedetection/ShapeDetector.h"
 #include "public/platform/modules/shapedetection/shapedetection.mojom-blink.h"
 
 namespace blink {
 
 class LocalFrame;
 
-class MODULES_EXPORT FaceDetector final
-    : public GarbageCollectedFinalized<FaceDetector>,
-      public ScriptWrappable {
+class MODULES_EXPORT BarcodeDetector final : public ShapeDetector,
+                                             public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
-  static FaceDetector* create(ScriptState*);
+  static BarcodeDetector* create(ScriptState*);
 
   ScriptPromise detect(ScriptState*, const CanvasImageSourceUnion&);
-  DECLARE_TRACE();
+  DECLARE_VIRTUAL_TRACE();
 
  private:
-  explicit FaceDetector(LocalFrame&);
-  ScriptPromise detectFacesOnImageElement(ScriptPromiseResolver*,
-                                          const HTMLImageElement*);
-  ScriptPromise detectFacesOnImageBitmap(ScriptPromiseResolver*, ImageBitmap*);
-  ScriptPromise detectFacesOnVideoElement(ScriptPromiseResolver*,
-                                          const HTMLVideoElement*);
-
-  ScriptPromise detectFacesOnData(ScriptPromiseResolver*,
-                                  uint8_t* data,
-                                  int size,
-                                  int width,
-                                  int height);
-  void onDetectFace(ScriptPromiseResolver*,
-                    mojom::blink::FaceDetectionResultPtr);
-
-  mojom::blink::ShapeDetectionPtr m_service;
-
-  HeapHashSet<Member<ScriptPromiseResolver>> m_serviceRequests;
+  explicit BarcodeDetector(LocalFrame&);
+  ~BarcodeDetector() override = default;
 };
 
 }  // namespace blink
 
-#endif  // FaceDetector_h
+#endif  // BarcodeDetector_h