Image Capture: reject setOptions()/applyConstraints() if any argument is unsupported

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 <memory>
 #include "bindings/core/v8/ScriptPromise.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/events/EventTarget.h"
 #include "media/capture/mojo/image_capture.mojom-blink.h"
 #include "modules/EventTargetModules.h"
 #include "modules/ModulesExport.h"
 #include "modules/mediastream/MediaTrackCapabilities.h"
 #include "modules/mediastream/MediaTrackConstraintSet.h"
 #include "modules/mediastream/MediaTrackSettings.h"
 #include "platform/AsyncMethodRunner.h"
 #include "platform/bindings/ActiveScriptWrappable.h"
 
 namespace blink {
 
 class ExceptionState;
 class MediaStreamTrack;
 class MediaTrackConstraints;
+class PhotoCapabilities;
 class PhotoSettings;
 class ScriptPromiseResolver;
 class WebImageCaptureFrameGrabber;
 
 // TODO(mcasas): Consideradding a LayoutTest checking that this class is not
 // garbage collected while it has event listeners.
 class MODULES_EXPORT ImageCapture final
     : public EventTargetWithInlineData,
       public ActiveScriptWrappable<ImageCapture>,
       public ContextLifecycleObserver {
@@ skipping 56 matching lines @@
   void OnServiceConnectionError();
 
   Member<MediaStreamTrack> stream_track_;
   std::unique_ptr<WebImageCaptureFrameGrabber> frame_grabber_;
   media::mojom::blink::ImageCapturePtr service_;
 
   MediaTrackCapabilities capabilities_;
   MediaTrackSettings settings_;
   MediaTrackConstraintSet current_constraints_;
 
+  Member<PhotoCapabilities> photo_capabilities_;
+
   HeapHashSet<Member<ScriptPromiseResolver>> service_requests_;
 };
 
 }  // namespace blink
 
 #endif  // ImageCapture_h