ShapeDetection: Eliminate DetectorType enum in ShapeDetector.cpp

third_party/WebKit/Source/modules/shapedetection/BarcodeDetector.h

Index: third_party/WebKit/Source/modules/shapedetection/BarcodeDetector.h
diff --git a/third_party/WebKit/Source/modules/shapedetection/BarcodeDetector.h b/third_party/WebKit/Source/modules/shapedetection/BarcodeDetector.h
index e8767457c207f7d15dcb49b4d5ad79c182a84bd5..a2cdedf6c94039d810a31b015b412d951bf181f5 100644
--- a/third_party/WebKit/Source/modules/shapedetection/BarcodeDetector.h
+++ b/third_party/WebKit/Source/modules/shapedetection/BarcodeDetector.h
@@ -11,6 +11,7 @@
 #include "modules/ModulesExport.h"
 #include "modules/canvas2d/CanvasRenderingContext2D.h"
 #include "modules/shapedetection/ShapeDetector.h"
+#include "public/platform/modules/shapedetection/barcodedetection.mojom-blink.h"
 
 namespace blink {
 
@@ -29,6 +30,15 @@ class MODULES_EXPORT BarcodeDetector final : public ShapeDetector,
  private:
   explicit BarcodeDetector(LocalFrame&);
   ~BarcodeDetector() override = default;
+
+  void onDetectBarcodes(ScriptPromiseResolver*,
+                        Vector<mojom::blink::BarcodeDetectionResultPtr>);
+  // Error handlers for use if mojo service doesn't connect.
+  void onBarcodeServiceConnectionError();
+
+  mojom::blink::BarcodeDetectionPtr m_barcodeService;
+
+  HeapHashSet<Member<ScriptPromiseResolver>> m_barcodeServiceRequests;
 };
 
 }  // namespace blink