Image Capture: cache constraints and append them to MediaStreamTrack.getConstraints()

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

Index: third_party/WebKit/Source/modules/imagecapture/ImageCapture.h
diff --git a/third_party/WebKit/Source/modules/imagecapture/ImageCapture.h b/third_party/WebKit/Source/modules/imagecapture/ImageCapture.h
index fd532099363f60170fef7b84c219b2aeae10f045..5c6b4e7909d4e085ea56df23adc9b8b91f4c7d4f 100644
--- a/third_party/WebKit/Source/modules/imagecapture/ImageCapture.h
+++ b/third_party/WebKit/Source/modules/imagecapture/ImageCapture.h
@@ -14,13 +14,13 @@
 #include "modules/EventTargetModules.h"
 #include "modules/ModulesExport.h"
 #include "modules/mediastream/MediaTrackCapabilities.h"
+#include "modules/mediastream/MediaTrackConstraintSet.h"
 #include "platform/AsyncMethodRunner.h"
 
 namespace blink {
 
 class ExceptionState;
 class MediaStreamTrack;
-class MediaTrackConstraintSet;
 class PhotoSettings;
 class ScriptPromiseResolver;
 class WebImageCaptureFrameGrabber;
@@ -64,6 +64,7 @@ class MODULES_EXPORT ImageCapture final
 
   void setMediaTrackConstraints(ScriptPromiseResolver*,
                                 const MediaTrackConstraintSet&);
+  const MediaTrackConstraintSet& getMediaTrackConstraints() const;
 
   DECLARE_VIRTUAL_TRACE();
 
@@ -82,6 +83,8 @@ class MODULES_EXPORT ImageCapture final
   media::mojom::blink::ImageCapturePtr m_service;
   MediaTrackCapabilities m_capabilities;
 
+  MediaTrackConstraintSet m_currentConstraints;
+
   HeapHashSet<Member<ScriptPromiseResolver>> m_serviceRequests;
 };