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

third_party/WebKit/LayoutTests/imagecapture/resources/mock-imagecapture.js

 "use strict";
 
 let mockImageCaptureReady = define(
   'mockImageCapture',
   ['media/capture/mojo/image_capture.mojom',
    'mojo/public/js/bindings',
    'content/public/renderer/interfaces',
   ], (imageCapture, bindings, interfaces) => {
 
   class MockImageCapture {
     constructor() {
       interfaces.addInterfaceOverrideForTesting(
           imageCapture.ImageCapture.name,
           handle => this.bindingSet_.addBinding(this, handle));
 
       this.state_ = {
         capabilities: {
           supported_white_balance_modes: [
             imageCapture.MeteringMode.SINGLE_SHOT,
             imageCapture.MeteringMode.CONTINUOUS
           ],
           current_white_balance_mode: imageCapture.MeteringMode.CONTINUOUS,
           supported_exposure_modes: [
             imageCapture.MeteringMode.SINGLE_SHOT,
             imageCapture.MeteringMode.CONTINUOUS
           ],
           current_exposure_mode: imageCapture.MeteringMode.SINGLE_SHOT,
-          supported_focus_modes: [imageCapture.MeteringMode.MANUAL],
+          supported_focus_modes: [
+            imageCapture.MeteringMode.MANUAL,
+            imageCapture.MeteringMode.SINGLE_SHOT
+          ],
           current_focus_mode: imageCapture.MeteringMode.MANUAL,
           points_of_interest: [{x: 0.4, y: 0.6}],
 
           exposure_compensation:
               {min: -200.0, max: 200.0, current: 33.0, step: 33.0},
           color_temperature:
               {min: 2500.0, max: 6500.0, current: 6000.0, step: 1000.0},
           iso: {min: 100.0, max: 12000.0, current: 400.0, step: 1.0},
 
           brightness: {min: 1.0, max: 10.0, current: 5.0, step: 1.0},
@@ skipping 83 matching lines @@
       return this.state_.capabilities;
     }
 
     options() {
       return this.settings_;
     }
 
   }
   return new MockImageCapture();
 });