ImageCapture: Implement focus mode for Android and Fake Video Capture Devices

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

Index: third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp
diff --git a/third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp b/third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp
index ee46cf62abc5315c99c24f384ade137d76ed9062..203ab45003ce096ba0ae03ca75ebc5ec89b3d212 100644
--- a/third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp
+++ b/third_party/WebKit/Source/modules/imagecapture/ImageCapture.cpp
@@ -200,6 +200,19 @@ void ImageCapture::onCapabilities(ScriptPromiseResolver* resolver, media::mojom:
         MediaSettingsRange* zoom = MediaSettingsRange::create(capabilities->zoom->max, capabilities->zoom->min, capabilities->zoom->current);
         PhotoCapabilities* caps = PhotoCapabilities::create();
         caps->setZoom(zoom);
+        switch (capabilities->focus_mode) {
+        case media::mojom::blink::FocusMode::UNAVAILABLE:
+            caps->setFocusMode(PhotoCapabilities::FocusMode::Unavailable);
+            break;
+        case media::mojom::blink::FocusMode::AUTO:
+            caps->setFocusMode(PhotoCapabilities::FocusMode::Auto);
+            break;
+        case media::mojom::blink::FocusMode::MANUAL:
+            caps->setFocusMode(PhotoCapabilities::FocusMode::Manual);
+            break;
+        default:
+            NOTREACHED();
+        }
         resolver->resolve(caps);
     }
     m_serviceRequests.remove(resolver);