Image Capture: make sure applyConstraints() only works for ImageCapture constraints

third_party/WebKit/LayoutTests/fast/imagecapture/MediaStreamTrack-applyConstraints.html

Index: third_party/WebKit/LayoutTests/fast/imagecapture/MediaStreamTrack-applyConstraints.html
diff --git a/third_party/WebKit/LayoutTests/fast/imagecapture/MediaStreamTrack-applyConstraints.html b/third_party/WebKit/LayoutTests/fast/imagecapture/MediaStreamTrack-applyConstraints.html
index 7751813d65e828697b31c7a6d157838f0f125f6b..5164d490d7ea0aefacc3d3098f81c4b48045363b 100644
--- a/third_party/WebKit/LayoutTests/fast/imagecapture/MediaStreamTrack-applyConstraints.html
+++ b/third_party/WebKit/LayoutTests/fast/imagecapture/MediaStreamTrack-applyConstraints.html
@@ -26,4 +26,26 @@ promise_test(function(t) {
   return videoTrack.applyConstraints();
 }, 'MediaStreamTrack.applyConstraints()');
 
+
+// This test verifies that applyConstraints() rejects the returned Promise if
+// passed a non-supported constraint.
+// TODO(mcasas): remove entirely after https://crbug.com/338503.
+promise_test(function(t) {
+  var canvas = document.getElementById('canvas');
+  var context = canvas.getContext("2d");
+  context.fillStyle = "red";
+  context.fillRect(0, 0, 10, 10);
+
+  var stream = canvas.captureStream();
+  var videoTrack = stream.getVideoTracks()[0];
+
+  var expectedException = new DOMException(
+      'Only Image-Capture constraints supported (https://crbug.com/338503)',
+      'NotSupportedError');
+
+  return promise_rejects(
+      t, expectedException,
+      videoTrack.applyConstraints({advanced : [ {width : 640} ]}));
+}, 'MediaStreamTrack.applyConstraints() with non Image-Capture constraint');
+
 </script>